Explanation at your level:
If you are allergic, your body does not like something. For example, if you eat peanuts, you might get an itchy skin. It is not good for you. You must stay away from that thing. Do you have any allergies? Tell your teacher!
Being allergic means you have a medical problem. If you are allergic to cats, you might sneeze when you are near one. Many people are allergic to things like dust, pollen, or certain foods. It is important to know what you are allergic to so you can stay safe and healthy.
The term allergic describes a physical reaction to a substance. When you are allergic, your immune system treats a harmless item like a threat. This causes symptoms like watery eyes or skin rashes. In casual English, we also use it to say we really dislike something, like saying, "I'm allergic to waking up early!"
Beyond the clinical definition, allergic carries a nuance of aversion. When used figuratively, it emphasizes a strong, almost instinctive rejection of a concept or behavior. It is a common way to express frustration in a workplace or social setting, though it should be used carefully to avoid sounding overly dramatic.
In advanced contexts, allergic can describe a systemic hypersensitivity. Figuratively, it denotes a profound ideological or temperamental incompatibility. For instance, a political party might be described as "allergic to compromise." This usage highlights a deep-seated resistance that goes beyond mere preference, suggesting a fundamental inability to engage with the subject matter.
The etymological roots of allergic—derived from the Greek allos—underscore the concept of 'otherness' or an 'altered state.' In literary or high-register discourse, the word can be used to explore the boundaries between the self and the environment. Whether discussing the physiological limitations of the human form or the psychological barriers that prevent social cohesion, the term serves as a powerful metaphor for exclusion and sensitivity.
Word in 30 Seconds
- Adjective describing physical sensitivity.
- Used metaphorically for strong dislike.
- Always followed by 'to'.
- Derived from Greek 'allos' and 'ergon'.
When we say someone is allergic, we are usually talking about a physical reaction. Your immune system is like a guard, and sometimes it gets a bit too excited, attacking harmless things like pollen or dust. This causes allergic reactions.
In casual conversation, we use the word metaphorically. If someone says, "I'm allergic to morning meetings," they don't mean they break out in hives. They mean they really, really dislike them!
The word allergic comes from the medical term allergy, which was coined in 1906 by Austrian pediatrician Clemens von Pirquet. It combines the Greek words allos (meaning 'other' or 'different') and ergon (meaning 'work').
Essentially, it describes an 'altered' way of working or reacting. It is fascinating how a word meant for science moved into our daily slang to describe our personal pet peeves!
In a medical sense, we almost always use the structure allergic to [something]. You might hear, "I am allergic to dairy." It is a very common, neutral statement.
When using it informally, it is often used for dramatic effect. You might say, "My boss is allergic to new ideas." This is a metaphorical use that adds flavor to your speech.
While 'allergic' itself isn't an idiom, it is used in several common ways:
- Allergic to work: Someone who avoids effort.
- Allergic to change: Someone who hates new things.
- Allergic reaction: A physical or emotional outburst.
- Severe allergy: A very strong physical sensitivity.
- Allergy season: The time of year when pollen is high.
The word allergic is an adjective. It does not have a plural form. In IPA, it is ə-LUR-jik. The stress is on the second syllable.
It is almost always followed by the preposition to. You are allergic to something, never for or of something.
Fun Fact
The word was created by a doctor to describe how the body changes its way of working.
Pronunciation Guide
uh-LUR-jik
uh-LUR-jik
Common Errors
- pronouncing the 'g' as a hard 'g'
- stressing the first syllable
- swallowing the middle syllable
Rhymes With
Difficulty Rating
easy
easy
easy
easy
What to Learn Next
Prerequisites
Learn Next
Advanced
Grammar to Know
Adjective + Preposition
Allergic to
Noun vs Adjective
Allergy vs Allergic
Gerunds after prepositions
Allergic to working
Examples by Level
I am allergic to milk.
milk = dairy
adjective + to
He is allergic to nuts.
nuts = food
simple present
Are you allergic to cats?
cats = pets
question form
She is allergic to dust.
dust = dirt
singular subject
They are allergic to pollen.
pollen = flowers
plural subject
Is he allergic to eggs?
eggs = food
question form
I am not allergic to dogs.
dogs = pets
negative form
Be careful, I am allergic!
careful = watch out
exclamation
I have an allergic reaction to strawberries.
My brother is allergic to shellfish.
Is it an allergic reaction or a cold?
She carries medicine for her allergic reaction.
Many people are allergic to bee stings.
I am allergic to that perfume.
He is allergic to some plants.
The doctor checked if I was allergic to anything.
I'm allergic to the idea of working on weekends.
She had a mild allergic reaction to the new soap.
Are you allergic to any medications?
He is allergic to change and prefers the old ways.
The restaurant lists all allergic ingredients on the menu.
I'm allergic to people who are always late.
An allergic response can be very dangerous.
He is allergic to criticism.
The company seems allergic to new technology.
She developed an allergic rash after the hike.
He is allergic to anything that smells like lavender.
They have an allergic reaction to any form of authority.
The patient has a known allergic history.
I'm allergic to drama in the office.
She is allergic to the cold weather in this city.
The symptoms suggest an allergic trigger.
The administration is allergic to transparency.
He exhibits an allergic aversion to public speaking.
The immune system's allergic response is complex.
They are allergic to any policy that reduces profit.
Her allergic reaction was immediate and severe.
The culture here is allergic to innovation.
He is allergic to the very concept of compromise.
An allergic sensitivity to certain chemicals is common.
The institution remains allergic to the paradigm shift.
His allergic reaction to the critique was entirely disproportionate.
The society is allergic to the complexities of modern life.
She possesses an allergic intolerance to injustice.
The allergic manifestation was systemic.
They are allergic to the nuances of the debate.
The allergic temperament is often misunderstood.
He is allergic to the constraints of traditional art.
Synonyms
Antonyms
Common Collocations
Idioms & Expressions
"allergic to work"
lazy
He's allergic to work, he never helps.
casual"have an allergic reaction"
to get sick or angry
She had an allergic reaction to the news.
casual"allergic to change"
hates new things
The board is allergic to change.
neutral"allergic to the truth"
a liar
He seems allergic to the truth.
casual"allergic to fun"
a boring person
Don't be allergic to fun, join us!
casualEasily Confused
same root
noun vs adjective
I have an allergy (noun). I am allergic (adj).
similar meaning
sensitive is broader
My skin is sensitive to the sun.
food context
intolerant is usually digestive
I am lactose intolerant.
metaphorical usage
averse is more formal
He is averse to conflict.
Sentence Patterns
Subject + be + allergic + to + noun
I am allergic to pollen.
Subject + be + allergic + to + gerund
He is allergic to working late.
Subject + have + an + allergic + reaction
She had an allergic reaction.
Subject + be + severely + allergic + to + noun
They are severely allergic to peanuts.
Subject + be + allergic + to + the + idea + of
I am allergic to the idea of moving.
Word Family
Nouns
Adjectives
Related
How to Use It
7
Formality Scale
Common Mistakes
Always use 'to' with allergic.
Allergic is an adjective, allergy is the noun.
Preposition error.
Severely is more natural for medical intensity.
Wrong preposition.
Tips
The 'To' Rule
Always pair allergic with 'to'.
Metaphorical Use
Use it to sound more expressive.
Stress the Middle
Focus on the LUR sound.
Flashcards
Use 'Allergic to X' on one side.
Don't say 'Allergy to'
Use 'Allergic to'.
Food Safety
Always mention it in restaurants.
Etymology
It means 'altered work'.
The 'All' Trick
All your energy goes to fighting it.
Context
Learn it with food names.
G sound
Soft g like in 'gym'.
Memorize It
Mnemonic
All-Ergic: All energy goes to fighting the thing!
Visual Association
A person sneezing near a giant flower.
Word Web
Challenge
Write three sentences about things you are allergic to.
Word Origin
Greek
Original meaning: altered work
Cultural Context
Be careful when using it metaphorically; some people with real allergies find it annoying.
Commonly used in schools and restaurants to warn about food safety.
Practice in Real Life
Real-World Contexts
at a restaurant
- I am allergic to...
- Does this contain...
- Please, no...
at the doctor
- I have an allergic history.
- I am allergic to penicillin.
- What are the symptoms?
at work
- I'm allergic to this process.
- That idea is an allergic trigger.
socializing
- Are you allergic to anything?
- I'm allergic to cats.
Conversation Starters
"Are you allergic to any foods?"
"Do you know anyone with a severe allergy?"
"What is something you are 'allergic' to in a metaphorical way?"
"Have you ever had an allergic reaction?"
"Do you think allergy awareness is important?"
Journal Prompts
Write about a time you had an allergic reaction.
Describe a rule or habit you are 'allergic' to.
How does having an allergy change your daily life?
If you could be immune to one thing, what would it be?
Frequently Asked Questions
8 questionsAllergic is the adjective, allergy is the noun.
No, always say allergic to.
It can be, depending on the severity.
It's a metaphor for a strong, negative reaction.
No, it's an adjective.
uh-LUR-jik.
The thing that causes the allergy.
Yes, to express strong dislike for a process.
Test Yourself
I am ___ to peanuts.
Adjective form needed.
Which sentence is correct?
Correct preposition is 'to'.
Can you be allergic to an idea?
Yes, metaphorically.
Word
Meaning
Synonym matching.
Subject-verb-adjective-prep-object.
Score: /5
Summary
Allergic means you react badly to something, either physically or because you really hate it!
- Adjective describing physical sensitivity.
- Used metaphorically for strong dislike.
- Always followed by 'to'.
- Derived from Greek 'allos' and 'ergon'.
The 'To' Rule
Always pair allergic with 'to'.
Metaphorical Use
Use it to sound more expressive.
Stress the Middle
Focus on the LUR sound.
Flashcards
Use 'Allergic to X' on one side.
Example
I'm allergic to cats, so I start sneezing the moment I enter a house with pets.
Related Content
See it in Videos
This Word in Other Languages
Related Phrases
More Health words
abortion
B2The medical termination of a pregnancy before the fetus is capable of independent life. It can also describe the premature failure or ending of a plan, project, or mission.
abortions
C1The plural form of 'abortion', referring to the deliberate or spontaneous termination of pregnancies before the fetus can survive independently. In medical contexts, it denotes the removal or expulsion of an embryo or fetus from the uterus.
abrasion
B2A surface injury caused by skin being rubbed or scraped against a rough surface, or the process of wearing away a material through friction. It typically refers to superficial damage rather than deep wounds or complete destruction.
acuity
B2Acuity refers to the sharpness or keenness of thought, vision, or hearing. It describes the ability to perceive small details clearly or to understand complex situations quickly and accurately.
acute
B2Describes a problem or situation that is very serious, severe, or intense, often occurring suddenly. It can also refer to senses or mental abilities that are highly developed, sharp, and sensitive to detail.
addictary
C1To systematically induce a state of physiological or psychological dependence in a subject through repetitive exposure or habitual engagement. It describes the active process of making someone or something prone to a compulsive habit or substance.
addicted
B1Being physically or mentally dependent on a particular substance, activity, or behavior, and unable to stop it without suffering adverse effects. It typically involves a compulsive need that overrides other interests or responsibilities.
addiction
B2Addiction is a chronic and complex condition characterized by the compulsive use of a substance or engagement in a behavior despite harmful consequences. It involves a lack of control over the activity and can manifest as both physical and psychological dependence.
adrenaline
B2A hormone produced by the body during times of stress, fear, or excitement that increases heart rate and energy levels. It is often associated with the 'fight or flight' response and the feeling of a physical 'rush'.
advivcy
C1Relating to the active promotion of vitality, health, and sustained life within a professional, clinical, or structural framework. It describes a proactive and life-affirming stance in guidance or treatment intended to revitalize a system or individual.
