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C1 verb #6,000 most common 15 min read

brittle

Top 6,000

Practice it Examples Notes & Tips brittle in 30 Seconds

Explanation brittle in your Level:

At the A1 level, 'brittle' is a word you might use to describe things that break easily in your hands. Think about dry leaves in the autumn. When you step on them, they make a 'crunch' sound and break into many small pieces. That is because they are brittle. You can also think about a dry cookie or a cracker. If you try to bend a cracker, it does not bend; it snaps into two or three pieces. This is the simplest way to understand the word. It is for things that are hard, not soft, but they break very quickly if you push them. You can use it to talk about food, like 'peanut brittle,' which is a hard candy that you break with your teeth. At this level, don't worry about using it for people or feelings. Just use it for things you can touch, like dry twigs, old paper, or ice on a puddle in winter. If it is hard and it breaks with a 'snap,' you can call it brittle. It is a more specific word than 'broken' or 'weak.' It tells us *how* something breaks.

At the A2 level, you can start using 'brittle' to describe more physical objects around the house or in nature. You might notice that old plastic toys become brittle if they stay in the sun for too long. The sun makes the plastic hard and weak, so it cracks easily. You can also use it to describe parts of the body in a simple way. For example, if someone does not drink enough milk, their bones might become brittle. This means their bones are not strong and could break if they fall. In your English lessons, you might see this word when reading about the weather. 'Brittle' cold describes a type of weather that is very cold and dry, where things feel like they might snap. It is a step up from 'fragile' because it helps you describe the texture of the object. A balloon is fragile, but it is not brittle because it is soft. A piece of dry spaghetti is brittle because it is hard and snaps easily. Remember: brittle = hard + breaks easily.

At the B1 level, you should be comfortable using 'brittle' in both physical and slightly more abstract contexts. You can use it to describe materials in a more detailed way. For instance, you could say, 'The cast iron pot is strong, but it is also brittle, so don't drop it on the floor.' This shows you understand that 'brittle' and 'strong' can sometimes describe the same thing. You can also begin to use 'brittle' to describe a person's voice or a mood. If someone is very nervous or upset, their voice might sound 'brittle.' This means it sounds like it might break into tears or a scream at any moment. It is a thin, sharp sound. You might also hear it in descriptions of people's hair or nails. 'My nails are very brittle because of the cold weather' is a common sentence. At this level, you are moving beyond simple objects to using the word to describe qualities of people and environments. It adds more color to your descriptions and helps you sound more natural when talking about physical health or emotional tension.

At the B2 level, 'brittle' becomes a useful tool for more nuanced writing and speaking. You should use it to describe the properties of different materials in a technical or semi-technical way. For example, in an essay about engineering or history, you might discuss how 'brittle' materials were replaced by more flexible ones to prevent accidents. You can also use it more confidently in a figurative sense to describe social situations. A 'brittle peace' is a very common phrase at this level. It describes a situation where there is no fighting, but everyone is very tense and any small problem could start a war again. You can also use it to describe a person's personality or ego. A 'brittle ego' belongs to someone who seems very confident but is actually very easily hurt by criticism. They react sharply because they are 'hard' on the outside but 'fragile' on the inside. You are now using the word to analyze characters and complex situations, not just to describe physical objects. Your vocabulary is becoming more analytical and descriptive.

At the C1 level, you are expected to use 'brittle' with precision and to understand its various shades of meaning. You should be able to use it to create atmospheric descriptions in creative writing or to provide detailed analysis in academic contexts. You might describe 'brittle sunlight' to convey a sense of cold, sharp light that lacks warmth, or a 'brittle wit' to describe a type of humor that is sharp and clever but perhaps a bit unkind or superficial. You should also understand the word's role in specific fields like medicine (e.g., 'brittle diabetes') or geology. At this level, you recognize that 'brittle' is often used to critique a lack of resilience or adaptability. Whether you are describing a 'brittle economic recovery' or a 'brittle administrative structure,' you are pointing out that the subject is rigid and unable to handle stress without failing. Your use of the word should reflect an understanding of the balance between its physical origins and its metaphorical applications. You can use it to describe sounds, light, emotions, and complex systems with ease and accuracy.

At the C2 level, your use of 'brittle' should be indistinguishable from that of a highly educated native speaker. You can employ the word in its most subtle and sophisticated forms. You might use it to describe the 'brittle elegance' of a bygone era, suggesting a style that was beautiful but stiff and prone to falling apart. You understand the literary weight of the word, using it to evoke specific sensory and emotional responses in your reader. In professional or academic discourse, you can use 'brittle' to describe the failure modes of complex systems, such as 'brittle software architectures' that crash rather than degrading gracefully under load. You are also aware of the word's etymological roots and how it relates to other terms like 'friable' or 'vitreous.' Your mastery of 'brittle' allows you to use it in a way that is both evocative and technically accurate, seamlessly blending its physical and metaphorical meanings to provide deep insight into whatever subject you are discussing. You use it to capture the exact moment when strength becomes a liability because it lacks the capacity to bend.

Practice it Examples Notes & Tips

brittle in 30 Seconds

Brittle describes physical materials like glass or dry twigs that are hard and rigid but shatter or snap instantly when stressed, rather than bending or stretching.
Figuratively, the word applies to people, voices, or situations that seem composed or strong but are actually tense, fragile, and prone to sudden emotional collapse.
In professional contexts, it is used technically in engineering (brittle fracture), medicine (brittle bones), and geology (brittle crust) to indicate a lack of structural resilience.
Commonly confused with 'fragile,' brittle specifically implies a hard, non-flexible quality, whereas fragile is a broader term for anything that is easily broken or damaged.

The term brittle is a sophisticated adjective, often categorized at the CEFR C1 level due to its dual utility in both technical and figurative contexts. At its most fundamental level, it describes a physical property of matter. When a material is brittle, it possesses a high degree of hardness but lacks the ability to deform plastically before breaking. In simpler terms, instead of bending, stretching, or denting when pressure is applied, a brittle object will snap, crack, or shatter into many pieces. Think of a dry cracker, a sheet of glass, or cast iron. These materials are strong in a sense—they don't easily change shape—but their strength is deceptive because it fails catastrophically once a certain threshold of stress is reached. This physical characteristic serves as a powerful metaphor in the English language, allowing speakers to describe human emotions, social structures, and interpersonal dynamics that appear stable on the surface but are actually on the verge of collapse.

Scientific Context: In materials science, brittleness is the opposite of ductility. While copper is ductile and can be drawn into wires, ceramic is brittle and will shatter if you attempt to pull it. This distinction is crucial for engineers and architects who must choose materials based on how they respond to environmental stress, such as temperature changes or weight loads.

The archeologists handled the ancient parchment with extreme care, knowing that centuries of dehydration had rendered the fibers incredibly brittle.

Beyond the laboratory or the workshop, the word finds a frequent home in psychological and social descriptions. When we describe a person's temperament or a social atmosphere as brittle, we are suggesting a lack of resilience. A brittle person might appear very composed, stiff, or even stern, but this composure is a thin veneer. Just as a brittle piece of glass cannot absorb a shock, a brittle personality cannot handle criticism, stress, or unexpected changes without 'cracking'—perhaps through an emotional outburst or a total withdrawal. This nuance is what makes the word so valuable for C1 learners; it moves beyond the simple 'weak' or 'fragile' to describe a specific kind of fragility that is hidden behind a hard, rigid exterior.

Psychological Nuance: A brittle smile is one that is forced and likely to vanish at the slightest sign of trouble. It suggests that the person is barely holding their emotions together, presenting a facade of happiness that lacks genuine warmth or depth.

There was a brittle quality to the peace negotiations, as both sides were unwilling to bend on even the most minor points of the treaty.

In literature and high-level journalism, 'brittle' is often paired with sensory details. You might read about a 'brittle voice,' which sounds high-pitched, sharp, and lacking in resonance, often indicating nervousness or suppressed anger. You might also encounter 'brittle sunlight,' describing the cold, sharp light of a winter morning that looks bright but provides no heat. These usages demonstrate the word's versatility in creating vivid, atmospheric descriptions that appeal to the reader's senses while simultaneously conveying an underlying emotional state. The word is an essential tool for anyone looking to describe the complex intersection of strength and vulnerability.

Acoustic Quality: A brittle sound is typically sharp and thin. For example, the brittle snapping of dry twigs underfoot in a silent forest can create a sense of tension or impending danger in a narrative.

Her laugh was brittle and short, betraying the anxiety she was trying so desperately to conceal from her colleagues.

The winter air was brittle and clear, making every distant sound seem much closer than it actually was.

Mastering the use of brittle requires an understanding of its placement as an adjective and its specific collocations. Because it conveys a very particular kind of fragility, it is rarely used to describe things that are naturally soft or flexible, like a pillow or a rubber band. Instead, it is paired with nouns that imply a certain degree of solidness or structure. In technical writing, you will often find it modifying materials like 'alloy,' 'bone,' 'plastic,' or 'crust.' In these cases, it functions as a descriptive attribute that explains how the object will react to force. For example, 'The brittle nature of the ceramic tiles made them unsuitable for high-traffic areas.' Here, the word provides a causal explanation for a practical limitation.

Physical Descriptions: When describing physical objects, 'brittle' usually follows the verb 'to be' or acts as a direct modifier. For example: 'The old book's pages had become brittle with age,' or 'He stepped on the brittle ice at the edge of the pond.'

As people age, their bones often become more brittle, increasing the risk of fractures from minor falls.

In more abstract or figurative sentences, 'brittle' often modifies nouns related to human behavior or social states. Common pairings include 'brittle personality,' 'brittle ego,' 'brittle confidence,' and 'brittle atmosphere.' In these instances, the word suggests that the noun it modifies is lacking in depth, flexibility, or true strength. If someone has a 'brittle confidence,' it means their self-esteem is easily shattered by a single negative comment. If a room has a 'brittle atmosphere,' it means the people inside are tense and a conflict could erupt at any moment. Using 'brittle' in this way adds a layer of psychological insight to your writing, moving beyond simple descriptions to offer a critique of the subject's internal stability.

Figurative Usage: In figurative contexts, 'brittle' often suggests a defensive posture. A 'brittle defense' in a debate might be one that relies on rigid logic but falls apart when faced with emotional reality or practical exceptions.

The CEO’s brittle authority was challenged when the employees collectively decided to ignore his latest directive.

Furthermore, 'brittle' can be used to describe relationships or political situations. A 'brittle alliance' is one formed out of necessity rather than trust, and it is likely to break the moment the shared interest disappears. In these sentences, the word serves as a predictive tool, warning the reader that the current state of affairs is precarious. When writing, consider the 'why' behind the brittleness. Is it due to age, lack of moisture, extreme cold, or perhaps a lack of emotional maturity? Providing this context makes the use of 'brittle' much more impactful. For instance, 'The dry summer had left the vegetation brittle and ready to ignite' is more descriptive than simply saying the plants were dry.

Social and Political Contexts: Use 'brittle' to describe systems that cannot adapt. A 'brittle economy' might be one that relies on a single commodity and crashes when the price of that commodity fluctuates.

The diplomatic relations between the two neighboring countries remained brittle, despite the recent signing of a trade agreement.

He spoke with a brittle politeness that made it clear he would rather be anywhere else but in that meeting.

The word brittle is not a word you will hear in every casual conversation at a coffee shop, but it is ubiquitous in specific professional and intellectual circles. If you spend time in a hospital or a medical setting, you will frequently hear doctors and nurses discuss 'brittle bones' in the context of osteoporosis or 'brittle diabetes,' a term used for hard-to-control blood sugar levels. In these contexts, the word is used with clinical precision to describe a condition that is unstable and prone to sudden, negative changes. It carries a sense of medical urgency and the need for specialized care.

Medical Settings: Healthcare professionals use 'brittle' to describe patients whose conditions are volatile. For example, 'brittle asthma' refers to a type of asthma that is particularly severe and unpredictable.

The geriatric specialist explained that the patient's brittle condition required a very carefully managed diet and exercise routine.

In the world of science and engineering, 'brittle' is a standard technical term. Geologists use it to describe the 'brittle-ductile transition zone' in the Earth's crust, where rocks change from breaking under stress to flowing like a thick liquid. Materials scientists talk about 'hydrogen embrittlement,' a process where metals become brittle and fail after being exposed to hydrogen. If you listen to a documentary about bridge collapses or aircraft failures, you will almost certainly hear the word 'brittle' used to explain why a certain component failed. It is the language of structural analysis and physical properties.

Engineering and Geology: Engineers discuss 'brittle fracture' as a dangerous mode of failure because it happens suddenly without warning. Unlike a 'ductile fracture,' which involves bending and stretching, a brittle fracture is instantaneous.

The investigation revealed that the pipeline failed due to brittle cracking caused by the extreme sub-zero temperatures.

Furthermore, 'brittle' is a favorite of literary critics, film reviewers, and psychologists. You will hear it in podcasts discussing character development in novels or movies. A reviewer might describe an actress's performance as having a 'brittle intensity,' meaning she portrayed a character who was outwardly strong but clearly on the edge of a breakdown. In psychological discourse, it is used to describe certain defense mechanisms. If you are listening to a lecture on personality disorders or emotional resilience, the term will likely come up as a way to describe a lack of 'psychological flexibility.' Finally, in everyday life, you might hear it in the kitchen—'peanut brittle' is a popular candy made of hard sugar and nuts, which perfectly exemplifies the physical meaning of the word.

Arts and Culture: Critics use 'brittle' to describe a specific aesthetic—often one that is sharp, cold, and perhaps a bit superficial or lacking in emotional warmth.

The play was noted for its brittle wit and sharp dialogue, which masked the deep sadness of its central characters.

I love the crunch of homemade peanut brittle, but you have to be careful not to break a tooth on it!

One of the most frequent errors learners make when using brittle is confusing it with other words that describe fragility, such as 'fragile,' 'weak,' or 'delicate.' While these words are related, they are not interchangeable. 'Fragile' is the most general term; it simply means something is easily broken. A delicate porcelain vase is fragile, but it might not be brittle. 'Brittle' specifically implies that the object is *hard* and *inflexible*. A silk thread is delicate and can be broken easily, but it is not brittle because it is flexible. Understanding this distinction is key to achieving a C1 level of precision in your English. If you describe a thin piece of silk as brittle, a native speaker will be confused because silk is soft and pliable.

Brittle vs. Fragile: Use 'brittle' for things that are stiff and hard (glass, dry wood, ice). Use 'fragile' for anything that breaks easily, regardless of its hardness (bubbles, flowers, delicate machinery).

Incorrect: The brittle butterfly wings were beautiful. (Correct: The *delicate* butterfly wings were beautiful.)

Another common mistake is misapplying the word in figurative contexts. Some learners use 'brittle' to mean 'bad' or 'angry' in a general sense. However, as discussed, 'brittle' describes a very specific emotional state: one that is rigid and defensive. If you say someone was 'brittle' during a party, it doesn't just mean they were in a bad mood; it suggests they were acting with a forced, stiff politeness and were perhaps one small comment away from losing their temper. Using it too broadly dilutes the descriptive power of the word. Furthermore, learners sometimes forget that 'brittle' is primarily an adjective. While the noun 'brittleness' and the verb 'embrittle' exist, 'brittle' itself should not be used as a verb in modern, standard English.

Misuse as a Verb: Avoid saying 'The cold brittled the plastic.' Instead, use 'The cold made the plastic brittle' or 'The cold caused the plastic to become brittle.'

Incorrect: She brittled when I asked about her ex-husband. (Correct: She *became brittle* or *Her tone became brittle* when I asked about her ex-husband.)

Finally, be careful with the word's pronunciation and spelling. It is often confused with 'bridle' (part of a horse's harness or to show resentment). While 'bridle' can also describe a person's reaction, it implies a pulling back or showing offense, whereas 'brittle' describes the internal state of being easily broken. Also, ensure you use the double 't' in 'brittle.' Spelling it with one 't' is a common typo that can lead to confusion with 'britle,' which is not a word. In summary, use 'brittle' when you want to emphasize the combination of hardness and lack of flexibility, and ensure you are using it as an adjective to modify a noun or follow a linking verb.

Brittle vs. Bridle: 'Brittle' is an adjective (hard but breakable). 'Bridle' is a noun (horse gear) or a verb (to show anger/resentment). They sound similar but have completely different functions.

He tried to bridle his anger, but his brittle patience finally snapped.

The brittle plastic casing cracked as soon as I tried to open the battery compartment.

When you want to express the idea of something being easily broken, there are several alternatives to brittle, each with its own specific nuance. Understanding these synonyms will help you choose the most precise word for your context. 'Fragile' is the most common alternative, but as we've noted, it lacks the implication of hardness. Use 'fragile' for things that need careful handling in general. 'Frail' is another similar word, but it is almost exclusively used for people or their health. An elderly person might be 'frail,' but you wouldn't call a piece of glass 'frail.' 'Frail' suggests a lack of physical strength and a general state of being weak and easily hurt.

Comparison: Brittle vs. Friable: 'Friable' is a technical term often used in geology and medicine. It describes something that is easily crumbled into powder. For example, 'friable soil' or a 'friable tumor.' While 'brittle' things snap or shatter, 'friable' things turn to dust.

The old limestone was so friable that it crumbled between my fingers, unlike the brittle granite which required a hammer to break.

In figurative language, 'crisp' can sometimes serve as a more positive alternative to 'brittle.' While 'brittle' suggests a negative lack of flexibility, 'crisp' implies a pleasing sharpness. For example, 'crisp dialogue' sounds efficient and smart, whereas 'brittle dialogue' sounds tense and unpleasant. Another useful word is 'tenuous.' Use 'tenuous' to describe things like connections, arguments, or positions that are very weak and likely to fail. A 'tenuous grasp on reality' is different from a 'brittle' one; 'tenuous' suggests it is thin and barely there, while 'brittle' would suggest it is rigid but easily shattered. 'Vulnerable' is another broad alternative, focusing on the potential for being harmed rather than the physical property of the object.

Comparison: Brittle vs. Delicate: 'Delicate' often has a positive or neutral connotation, implying fine workmanship or a need for sensitive treatment (e.g., 'delicate lace'). 'Brittle' is almost always neutral or negative, focusing on the mechanical failure of the object.

His tenuous link to the crime was easily broken by a strong alibi, much like a brittle twig snapping in the wind.

Finally, consider 'rigid' and 'inflexible.' These words capture the 'hardness' part of 'brittle' but don't necessarily imply that the object will break. A steel beam might be 'rigid' but not 'brittle' because it can withstand a lot of force before failing. 'Brittle' is the perfect word when you want to combine the idea of being 'rigid' with the idea of being 'easily broken.' In academic writing, you might also encounter 'vitreous,' which means glass-like. Something that is vitreous is often brittle. By exploring these alternatives, you can refine your descriptions and avoid overusing 'brittle,' while still conveying the exact level of fragility and hardness you intend.

Comparison: Brittle vs. Rigid: 'Rigid' means stiff and difficult to bend. 'Brittle' means stiff but *also* likely to break if you try to bend it. A rigid plastic might be strong, but a brittle plastic is a liability.

The dictator’s rigid policies eventually led to a brittle social structure that collapsed during the first economic crisis.

The vitreous finish on the pottery was beautiful but extremely brittle.

How Formal Is It?

Formal

Neutral

Informal

Child friendly

Slang

Fun Fact

The word 'brittle' has been used in English since the 14th century. Its use to describe a type of candy (like peanut brittle) didn't become popular until the 19th century in the United States.

Pronunciation Guide

UK /ˈbrɪt.əl/

US /ˈbrɪt̬.əl/

The stress is on the first syllable: BRIT-tle.

Rhymes With

little skittle whittle belittle spittle tittle pittle acquittal

Common Errors

Pronouncing it like 'bridal' (with a long 'i').
Forgetting the second 't' sound in British English.
Confusing the 'l' sound with 'le' as in 'little'.
Over-emphasizing the second syllable.
Swapping the 'i' for an 'e' sound.

Difficulty Rating

Reading 4/5

Common in literature and technical reports, requiring context to distinguish between physical and figurative meanings.

Writing 5/5

Requires precision to use figuratively without sounding clichéd or inaccurate.

Speaking 3/5

Useful for describing textures or moods, though less common in everyday casual speech.

Listening 4/5

Can be confused with 'bridal' or 'little' if the speaker has a strong accent or speaks quickly.

What to Learn Next

Prerequisites

broken hard weak dry snap

Learn Next

resilient ductile tenuous precarious fragile

Advanced

embrittlement friable vitreous malleable staccato

Grammar to Know

Adjective Order

The *old brittle* paper (Age + Quality).

Linking Verbs

The plastic *became* brittle (Subject + Linking Verb + Adjective).

Adverbs of Degree

The glass is *extremely* brittle.

Compound Nouns

We bought some *peanut brittle* (Noun + Adjective used as a noun).

Comparative and Superlative

This alloy is *more brittle* than that one; it is the *most brittle* material we have.

Examples by Level

The dry leaves are very brittle.

Les feuilles sèches sont très cassantes.

Simple adjective use after the verb 'to be'.

Be careful, this cracker is brittle.

Fais attention, ce craquelin est fragile.

Used to describe a physical property of food.

The ice on the water is brittle today.

La glace sur l'eau est cassante aujourd'hui.

Describes a natural material in cold weather.

I like to eat peanut brittle.

J'aime manger du nougat aux arachides.

Part of a compound noun for a specific food.

Old paper can become very brittle.

Le vieux papier peut devenir très cassant.

Used with the linking verb 'become'.

The twigs were brittle and easy to break.

Les brindilles étaient cassantes et faciles à casser.

Coordinated adjectives describing a noun.

The chocolate bar was cold and brittle.

La barre de chocolat était froide et cassante.

Adjectives describing the state of a material.

Is the plastic brittle?

Le plastique est-il cassant ?

Interrogative sentence using the adjective.

The sun made the old garden hose brittle.

Le soleil a rendu le tuyau d'arrosage cassant.

Object complement after the verb 'made'.

Her hair felt brittle after she dyed it.

Ses cheveux semblaient cassants après les avoir teints.

Used with the sense verb 'felt'.

If you don't drink milk, your bones might get brittle.

Si vous ne buvez pas de lait, vos os pourraient devenir cassants.

Describes a health condition with the verb 'get'.

The paint on the old house was brittle and peeling.

La peinture de la vieille maison était cassante et s'écaillait.

Describes the texture of a surface.

It was a cold, brittle morning in January.

C'était un matin froid et sec en janvier.

Attributive adjective modifying 'morning'.

The glass in the old window was very brittle.

Le verre de la vieille fenêtre était très cassant.

Adjective phrase with the intensifier 'very'.

The dry clay became brittle as it dried in the oven.

L'argile sèche est devenue cassante en séchant au four.

Describes a change of state.

He stepped on a brittle branch and it snapped.

Il a marché sur une branche cassante et elle s'est brisée.

Attributive adjective in a narrative sentence.

She answered the phone with a brittle voice.

Elle a répondu au téléphone d'une voix fragile.

Figurative use describing a sound/tone.

The patient has a form of brittle diabetes.

Le patient souffre d'une forme de diabète instable.

Technical medical term.

The sugar mixture must be heated until it reaches the brittle stage.

Le mélange de sucre doit être chauffé jusqu'à ce qu'il atteigne le stade cassant.

Technical term in cooking/chemistry.

There was a brittle silence in the room after the argument.

Il y avait un silence tendu dans la pièce après la dispute.

Describes an emotional atmosphere.

His brittle confidence was easily shaken by the teacher's comment.

Sa confiance fragile a été facilement ébranlée par le commentaire du professeur.

Describes an abstract quality of personality.

The ancient scrolls were so brittle that they couldn't be unrolled.

Les rouleaux anciens étaient si cassants qu'ils ne pouvaient pas être déroulés.

Result clause using 'so... that'.

The cast iron used in the old bridge was surprisingly brittle.

La fonte utilisée dans le vieux pont était étonnamment cassante.

Describes a material property in a historical context.

She gave a brittle laugh that didn't reach her eyes.

Elle a eu un rire forcé qui n'atteignait pas ses yeux.

Describes a forced emotional expression.

The ceasefire created a brittle peace between the two nations.

Le cessez-le-feu a créé une paix fragile entre les deux nations.

Collocation describing a political state.

His brittle personality made it difficult for him to accept constructive criticism.

Sa personnalité rigide et fragile lui rendait difficile l'acceptation des critiques constructives.

Describes a psychological trait.

The company's success was built on a brittle foundation of debt.

Le succès de l'entreprise reposait sur une base fragile de dettes.

Metaphorical use in a business context.

Low temperatures can cause certain types of steel to become dangerously brittle.

Les basses températures peuvent rendre certains types d'acier dangereusement cassants.

Technical description of material behavior.

The actress portrayed the character's brittle elegance perfectly.

L'actrice a parfaitement dépeint l'élégance fragile du personnage.

Describes an aesthetic or performance quality.

The brittle nature of the alliance became clear during the crisis.

La nature fragile de l'alliance est devenue claire pendant la crise.

Abstract noun phrase 'the brittle nature of...'.

She maintained a brittle composure throughout the difficult interview.

Elle a gardé un calme fragile tout au long de l'entretien difficile.

Describes a controlled but fragile state.

The dry, brittle grass was a major fire hazard during the drought.

L'herbe sèche et cassante représentait un risque d'incendie majeur pendant la sécheresse.

Environmental description.

The novel's brittle wit often masked a profound underlying cynicism.

L'esprit mordant du roman masquait souvent un profond cynisme sous-jacent.

Describes a literary style.

Hydrogen embrittlement can cause high-strength alloys to become brittle and fail.

La fragilisation par l'hydrogène peut rendre les alliages à haute résistance cassants et entraîner leur rupture.

Advanced scientific/engineering context.

There was a brittle quality to the winter sunlight that illuminated the empty streets.

Il y avait une qualité cristalline dans la lumière du soleil hivernal qui illuminait les rues désertes.

Poetic/atmospheric description.

The diplomat's brittle politeness suggested he was nearing the end of his patience.

La politesse forcée du diplomate suggérait qu'il était au bout de sa patience.

Nuanced behavioral description.

The economy remains brittle, despite the recent uptick in consumer spending.

L'économie reste fragile, malgré la récente hausse des dépenses de consommation.

Economic analysis.

Her brittle ego was such that even the mildest suggestion was taken as a personal affront.

Son ego était si fragile que même la plus légère suggestion était perçue comme un affront personnel.

Psychological characterization.

The rocks in this region are known for their brittle deformation under tectonic stress.

Les roches de cette région sont connues pour leur déformation cassante sous l'effet du stress tectonique.

Geological terminology.

The play was criticized for its brittle characters who lacked emotional depth.

La pièce a été critiquée pour ses personnages superficiels qui manquaient de profondeur émotionnelle.

Artistic criticism.

The brittle architecture of the legacy system made it impossible to implement new features.

L'architecture rigide du système hérité rendait impossible l'implémentation de nouvelles fonctionnalités.

Metaphorical use in computer science.

He possessed a brittle intellectualism that relied more on rote memorization than genuine insight.

Il possédait un intellectualisme superficiel qui reposait plus sur la mémorisation que sur une véritable intuition.

Complex psychological/intellectual critique.

The brittle elegance of the Regency period is captured perfectly in the museum's new exhibit.

L'élégance rigide de la période de la Régence est parfaitement capturée dans la nouvelle exposition du musée.

Historical/aesthetic analysis.

The atmosphere in the boardroom was brittle, thick with unspoken resentments and rivalries.

L'atmosphère dans la salle du conseil était électrique, chargée de ressentiments et de rivalités tacites.

High-level descriptive prose.

The transition from ductile to brittle behavior in polymers is a key area of research.

La transition du comportement ductile au comportement cassant dans les polymères est un domaine de recherche clé.

Purely academic/scientific usage.

The brittle consensus finally shattered when the most controversial clause was introduced.

Le consensus fragile a fini par voler en éclats lorsque la clause la plus controversée a été introduite.

Metaphorical use for social agreement.

Her voice had a brittle, crystalline quality that made her singing both beautiful and haunting.

Sa voix avait une qualité cristalline et fragile qui rendait son chant à la fois beau et obsédant.

Advanced sensory description.

The brittle social hierarchy of the village was maintained through strict adherence to tradition.

La hiérarchie sociale rigide du village était maintenue par une adhésion stricte à la tradition.

Sociological description.

Synonyms

fragile breakable frail crisp tenuous rigid

Antonyms

flexible resilient durable

Common Collocations

brittle bones

brittle laughter

brittle plastic

brittle peace

brittle star

brittle temper

brittle voice

brittle fracture

brittle diabetes

brittle sunlight

Common Phrases

peanut brittle

— A type of hard candy made from caramelized sugar and peanuts.

My grandmother makes the best peanut brittle every Christmas.

become brittle

— To transition into a state of being easily broken, often due to age or environment.

The leather will become brittle if you don't use oil to keep it soft.

brittle as glass

— Extremely easy to shatter; very fragile and rigid.

His ego was as brittle as glass, shattering at the first sign of failure.

brittle to the touch

— Feeling like it will break as soon as it is handled.

The old curtains were brittle to the touch after years of sun exposure.

a brittle smile

— A forced or fake smile that suggests the person is under a lot of stress.

She greeted her rivals with a brittle smile and a cold handshake.

brittle and dry

— A common pairing to describe things like hair, leaves, or old paper.

The drought left the forest floor brittle and dry.

brittle hair

— Hair that is damaged and breaks easily, often from heat or chemicals.

Using too much bleach can lead to brittle hair and split ends.

brittle nails

— Nails that crack or peel easily, sometimes a sign of vitamin deficiency.

She took supplements to help strengthen her brittle nails.

brittle atmosphere

— A social situation that is very tense and prone to conflict.

There was a brittle atmosphere in the room during the negotiations.

brittle failure

— A sudden break in a material without any prior bending or stretching.

The ceramic plate suffered a brittle failure when it hit the floor.

Often Confused With

brittle vs fragile

Fragile is broader; brittle specifically means hard and non-flexible.

brittle vs bridle

Bridle is horse gear or a verb meaning to show resentment. Sounds similar but unrelated.

brittle vs frail

Frail usually describes weak health in people; brittle describes the property of materials.

Idioms & Expressions

"walking on brittle ice"

— To be in a very risky or unstable situation where a single mistake could lead to disaster.

With his recent performance reviews, he is walking on brittle ice at work.

informal

"brittle as a dry twig"

— Very easy to snap or break; lacking any flexibility.

The old alliance was as brittle as a dry twig in a storm.

descriptive

"a brittle reed"

— Something or someone that appears to offer support but is actually weak and unreliable.

He thought the new law would help, but it proved to be a brittle reed.

literary

"shatter like brittle glass"

— To fail completely and suddenly, often in a very visible or dramatic way.

Their dreams of victory shattered like brittle glass in the final minutes.

figurative

"maintain a brittle front"

— To pretend to be strong or composed while actually being very close to an emotional breakdown.

Despite the tragedy, she managed to maintain a brittle front for her children.

psychological

"brittle wit"

— Humor that is sharp, clever, and perhaps a bit cold or superficial.

The movie is famous for its brittle wit and fast-paced dialogue.

literary

"brittle heart"

— A person who is easily hurt emotionally but tries to act tough or cold.

Behind his gruff exterior lay a brittle heart that had been broken many times.

poetic

"crack the brittle surface"

— To reveal the underlying tension or reality beneath a calm facade.

One honest question was enough to crack the brittle surface of their politeness.

figurative

"brittle as parchment"

— Extremely dry and fragile, often used to describe skin or old documents.

The old woman's skin was as brittle as parchment.

descriptive

"a brittle grasp"

— A very weak or unstable hold on something, like power or an idea.

The dictator had only a brittle grasp on the country's loyalty.

formal

Easily Confused

brittle vs friable

Both describe things that break easily.

Brittle things snap or shatter; friable things crumble into powder or dust.

The brittle glass shattered, but the friable soil crumbled.

brittle vs delicate

Both imply a need for careful handling.

Delicate often has a positive connotation of fineness; brittle is usually negative or neutral.

She wore delicate lace, but her voice was brittle with tension.

brittle vs crisp

Both describe a hard, breakable texture.

Crisp is usually positive and fresh (food/air); brittle is often about age or damage.

The apple was crisp, but the old dried flowers were brittle.

brittle vs rigid

Both describe something that doesn't bend.

Rigid just means stiff; brittle means stiff AND likely to break if forced.

A rigid steel bar is strong, but a brittle one is dangerous.

brittle vs tenuous

Both describe something that is not strong.

Tenuous means very thin or slight; brittle means hard but easily shattered.

Their connection was tenuous, but their agreement was brittle.

Sentence Patterns

The [noun] is brittle.

The leaf is brittle.

The [noun] became brittle because of [reason].

The plastic became brittle because of the sun.

He/She has a brittle [noun].

She has a brittle voice.

There was a brittle [noun] between them.

There was a brittle silence between them.

The [noun] is characterized by its brittle [noun].

The material is characterized by its brittle fracture.

A brittle [noun] masked the [emotion].

A brittle smile masked her anger.

The [abstract noun] was inherently brittle, leading to [consequence].

The consensus was inherently brittle, leading to its eventual collapse.

Despite its outward [quality], the [noun] remained brittle.

Despite its outward strength, the alliance remained brittle.

Word Family

Nouns

Verbs

Adjectives

How to Use It

frequency

Medium-High in specific domains (science, health, literature).

Common Mistakes

Using 'brittle' for soft things. → Using 'fragile' or 'delicate'.
Brittle implies hardness. You can't have 'brittle cloth' or 'brittle pillows' unless they are frozen or dried out completely.
Using 'brittle' as a verb. → Using 'become brittle' or 'embrittle'.
In modern English, 'brittle' is an adjective. Say 'the cold made the plastic brittle,' not 'the cold brittled the plastic.'
Confusing 'brittle' with 'brutal'. → Using the correct word for the context.
Brutal means extremely cruel or harsh. Brittle means easily broken. They sound somewhat similar but have zero overlap in meaning.
Using 'brittle' to mean just 'angry'. → Using 'tense' or 'sharp'.
While a brittle person might be angry, 'brittle' specifically describes the *quality* of their composure—stiff and about to snap.
Spelling it 'britle'. → Spelling it 'brittle'.
Always remember the double 't'. Without it, the word is misspelled and can be confusing to readers.

Tips

Precision in Materials

When writing about science, use 'brittle' to contrast with 'ductile' or 'malleable' to show you understand material properties.

Atmospheric Writing

Use 'brittle' to describe light or air to create a cold, sharp, and slightly uncomfortable mood in your stories.

Beyond 'Fragile'

Try replacing 'fragile' with 'brittle' when you want to emphasize that something is hard and stiff, not just easy to break.

Psychological Insight

Use 'brittle' to describe a character's ego or confidence to suggest they are overcompensating for an underlying weakness.

Common Pairings

Remember the most common pairings: brittle bones, brittle voice, and brittle peace. These are very natural-sounding in English.

Adjective Position

Brittle can be used before a noun (brittle ice) or after a linking verb (the ice is brittle). Both are equally common.

The Flap T

If you want to sound more American, practice the 'flap T' in brittle so it sounds like 'brid-ul'. For British, keep the T sharp.

The Sugar Stage

In candy making, 'brittle' refers to a specific temperature where sugar becomes hard and snaps easily when cooled.

Old Objects

Use 'brittle' when describing antiques, old books, or ancient scrolls to emphasize their age and the need for careful handling.

Unstable Alliances

Use 'brittle' to describe international agreements that look good on paper but are likely to fail under the slightest pressure.

Memorize It

Mnemonic

Think of a 'brittle' 'little' 'twig' that snaps with a 'brittle' sound. The word 'brittle' rhymes with 'little,' reminding you of small, breakable things.

Visual Association

Imagine a sheet of glass being hit by a hammer. It doesn't bend; it shatters into a thousand pieces. That is the essence of 'brittle.'

Word Web

Glass Dry Leaves Bones Ice Peanut Brittle Shatter Snap Rigid

Challenge

Write three sentences: one about a brittle object, one about a brittle person, and one about a brittle situation. Try to use a different synonym for each to see the difference.

Word Origin

Derived from the Middle English word 'britel,' which comes from the Old English 'brytel,' meaning 'apt to break.' It is related to the Old English verb 'breotan,' which means 'to break in pieces' or 'to destroy.'

Original meaning: Fragile, easily broken, or unstable.

Germanic (Old English roots).

Cultural Context

When using 'brittle' to describe a person's health or emotional state, be aware that it can sound quite clinical or critical.

Commonly used in literature and journalism to describe tense social or political situations.

The term 'brittle bones' is a major theme in the movie 'Unbreakable' (2000). Peanut brittle is mentioned in many classic American cookbooks and holiday stories. Literary critics often use 'brittle wit' to describe the plays of Oscar Wilde or Noël Coward.

Practice in Real Life

Real-World Contexts

Science and Engineering

brittle fracture
low-temperature brittleness
brittle-ductile transition
hydrogen embrittlement

Health and Medicine

brittle bones
brittle diabetes
brittle nails
brittle asthma

Cooking and Food

peanut brittle
brittle stage of sugar
brittle crust
crisp and brittle

Psychology and Emotions

brittle ego
brittle personality
brittle confidence
brittle laughter

Environment and Weather

brittle cold
brittle leaves
brittle ice
brittle vegetation

Conversation Starters

"Have you ever tried making peanut brittle at home? It's harder than it looks!"

"Why do you think some people develop such a brittle personality as they get older?"

"Do you prefer the brittle cold of winter or the humid heat of summer?"

"Have you noticed how old plastic becomes brittle if you leave it in the sun?"

"In your opinion, what makes a political alliance brittle rather than strong?"

Journal Prompts

Describe a time when you felt emotionally brittle. What caused that feeling and how did you handle it?

Think of an object you own that has become brittle with age. What is its history and why do you keep it?

Write about a 'brittle peace' you have observed, either in your personal life or in world events.

How does the concept of brittleness apply to modern technology or social media structures?

Describe a winter scene using the word 'brittle' at least three times to create a specific atmosphere.

Frequently Asked Questions

10 questions

Yes, but usually in a figurative sense. It describes someone who appears strong or composed but is actually very tense and likely to lose their temper or break down emotionally. For example, 'He has a brittle personality.'

Not always. In cooking, 'brittle' is a neutral or even positive term, as in 'peanut brittle.' In science, it is a neutral technical description of a material's properties. However, when describing emotions or relationships, it usually has a negative connotation.

The main difference is hardness. A brittle object is hard and rigid (like glass). A fragile object is simply easy to break, whether it is hard (like a vase) or soft (like a bubble). All brittle things are fragile, but not all fragile things are brittle.

You can use it to describe bones, nails, or hair. For example: 'As she got older, her bones became brittle and prone to fractures.' or 'Cold weather often makes my nails brittle.'

It describes laughter that sounds forced, sharp, and lacking in real joy. It usually suggests the person is nervous, upset, or trying to hide their true feelings.

The standard verb is 'embrittle,' which means to make something brittle. 'Brittle' itself is almost always used as an adjective in modern English.

Common brittle materials include glass, ceramics, cast iron, ice, dry wood, and many types of hard plastic.

Yes. A brittle voice sounds thin, high-pitched, and as if the person is about to cry or snap. It indicates great emotional tension.

It is a medical term for a type of diabetes where blood sugar levels are very difficult to manage and change suddenly and unpredictably.

It is a popular candy made by melting sugar and mixing in peanuts. Once it cools, it becomes a hard, brittle sheet that you break into pieces to eat.