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B1 adjective/noun #44 most common 14 min read

sole

Top 44

Practice it Examples Notes & Tips sole in 30 Seconds

Explanation sole in your Level:

At the A1 level, you should know 'sole' as the bottom of your shoe or your foot. Think about when you put on your shoes; the part that touches the floor is the sole. You might also learn it as a type of fish that people eat. It is a simple noun. For example, 'The sole of my shoe is dirty.' You don't need to worry about the more complex meanings yet. Just remember that it is a part of your body and a part of your clothes. It sounds like the word 'soul', but they are spelled differently. When you walk on the beach, the sand touches the soles of your feet. It is a common word in basic conversations about clothes or food.

At the A2 level, you can start using 'sole' as an adjective to mean 'only'. For example, if you have only one reason for doing something, you can say it is your 'sole reason'. This is a bit more formal than saying 'only'. You still use it as a noun for the bottom of a shoe or foot. You might hear it in a shoe store: 'These shoes have rubber soles.' You might also see it on a menu at a restaurant: 'Grilled sole with lemon.' It is a useful word because it helps you describe things more precisely. Remember that as an adjective, it doesn't change if the noun is plural. You say 'sole reasons', not 'soles reasons'.

At the B1 level, you should be comfortable using 'sole' in both its noun and adjective forms across various contexts. You will encounter it in news stories, such as 'the sole survivor of the accident', which emphasizes that only one person lived. In business, you might hear about a 'sole proprietor', which is someone who owns a business all by themselves. You should also understand the adverb 'solely', which means 'only' or 'entirely'. For example, 'I am solely responsible for this mistake.' This level requires you to distinguish 'sole' from 'soul' in writing and to use it to add a touch of formality to your English. You are moving beyond basic descriptions to more specific and professional language.

At the B2 level, 'sole' is a word you use to provide emphasis and precision. You understand its use in legal and formal documents, such as 'sole authority' or 'sole beneficiary'. You can use it to describe exclusive rights or responsibilities. You are also aware of the physical nuances, such as 'resoling' a shoe. You can distinguish between 'sole', 'single', 'only', and 'exclusive' and choose the best one for your context. For instance, you know that 'sole' implies a lack of partners or others, while 'exclusive' might imply a high status or a restriction. Your vocabulary is becoming more nuanced, and you can use 'sole' to express complex ideas about ownership and individuality.

At the C1 level, you use 'sole' with sophistication. You might use it in academic writing to discuss a 'sole cause' of a phenomenon or in a literary context to describe a 'solemn and sole figure' in a landscape. You understand the etymological roots of the word and how they connect to other words like 'solitude' and 'solace'. You are familiar with technical uses, such as the 'plantar sole' in medicine or specific species of sole in biology. You can use the word to create specific tones in your writing, from the cold precision of a legal contract to the evocative imagery of a poem. Your mastery of the word allows you to use it naturally and correctly in any professional or creative setting.

At the C2 level, 'sole' is a tool you use with complete mastery. You understand all its subtle connotations and can use it in idiomatic or metaphorical ways. You might play with the homophone 'soul' in a pun or use 'sole' to describe an absolute, non-negotiable state of being. You are aware of its historical development and how its meanings have diverged and converged over centuries. Whether you are drafting a complex international treaty involving 'sole jurisdiction' or writing a philosophical treatise on the 'sole nature of reality', you use the word with absolute precision. You can also appreciate and use rare or archaic forms and are fully aware of the word's place within the broader tapestry of the English language.

Practice it Examples Notes & Tips

sole in 30 Seconds

As an adjective, 'sole' means being the only one or having exclusive rights, often used in formal, legal, or tragic contexts like 'sole survivor'.
As a noun, 'sole' refers to the physical bottom of a foot or a shoe, providing the foundation for walking and protection from the ground.
In the culinary world, 'sole' is a highly regarded flatfish known for its delicate white flesh and mild flavor, often served in fine dining.
The word is a homophone of 'soul', but it is spelled differently and has no spiritual meaning, focusing instead on singularity and physical surfaces.

The word sole is a fascinating linguistic specimen that functions primarily as an adjective and a noun, carrying distinct meanings that range from the physical foundation of our bodies to the abstract concept of exclusivity. When used as an adjective, 'sole' signifies being the only one, the individual, or the exclusive participant in a particular context. It is a word of singular focus. For instance, if you are the sole survivor of a shipwreck, it means no one else made it out alive. In a legal or business sense, being the sole owner of a company implies that you hold one hundred percent of the equity and decision-making power. This adjective form is derived from the Latin 'solus', meaning alone or only, which also gives us words like 'solitary' and 'solo'.

Adjective Usage: Used to emphasize that there is only one of something or that something belongs to only one person. It often appears in formal contexts like law, business, and journalism.

She was the sole person responsible for the project's massive success.

Transitioning to its noun form, 'sole' refers to the underside of the foot or the bottom of a shoe. This physical definition is rooted in the Latin 'solea', which referred to a sandal or the bottom of the foot. In the world of fashion and cobbling, the sole is perhaps the most critical part of the shoe, providing the necessary barrier between the human foot and the ground. It can be made of leather, rubber, or synthetic materials. Furthermore, in the culinary world, 'sole' refers to a specific type of flatfish, such as the Dover sole, which is highly prized for its delicate flavor and firm texture. This fish is named 'sole' because its flat, oval shape resembles the sole of a foot.

Noun Usage (Anatomy/Footwear): The bottom surface of the foot or a shoe. It is the part that touches the ground when walking.

The sole of his boot was caked in thick, red mud after the hike.

People use 'sole' in various professional and daily scenarios. In medical terminology, the 'plantar' surface is the technical term for the sole of the foot, often discussed in relation to conditions like plantar fasciitis. In the corporate world, a 'sole proprietorship' is a common business structure where one individual is fully responsible for all debts and profits. In everyday conversation, you might hear someone say they have the 'sole responsibility' for a task, emphasizing that no one else is helping them. The versatility of the word allows it to bridge the gap between the physical world and abstract concepts of exclusivity and singularity.

The chef prepared a beautiful lemon-butter sole for the evening special.

Noun Usage (Ichthyology): A type of flatfish belonging to several families, particularly Soleidae. It is a popular food fish.

The sole survivor of the crash was found three days later.

The athlete complained of a sharp pain in the sole of her left foot.

Using 'sole' correctly requires an understanding of its grammatical function within a sentence. As an adjective, 'sole' almost always precedes the noun it modifies. It acts as an attributive adjective to indicate exclusivity. For example, in the phrase 'the sole reason,' 'sole' tells us there are no other reasons. It is important to note that 'sole' as an adjective does not typically have a comparative or superlative form; something cannot be 'soler' or 'solest' because exclusivity is an absolute state. You are either the only one, or you are not.

Adjective Placement: Placed directly before the noun: 'The sole provider', 'My sole concern', 'Their sole objective'.

His sole aim in life was to travel to every continent on Earth.

When 'sole' functions as a noun, it behaves like any other common noun. It can be singular or plural ('soles'). In the context of anatomy or footwear, you might discuss the 'soles of your feet' or the 'soles of your shoes'. When referring to the fish, 'sole' can be both singular and plural, though 'soles' is often used when referring to different types or individual fish. For example, 'We caught three sole today' or 'The soles were laid out on the ice'.

Noun Pluralization: The plural of the physical sole is 'soles'. The plural of the fish 'sole' can be 'sole' or 'soles'.

The cobbler replaced the worn soles of my favorite leather boots.

In formal writing, 'sole' is often paired with abstract nouns to emphasize total control or singular focus. Phrases like 'sole discretion,' 'sole authority,' and 'sole beneficiary' are common in legal contracts. These phrases leave no room for ambiguity, ensuring that the rights or responsibilities mentioned belong to one party alone. In more creative writing, 'sole' can evoke a sense of loneliness or starkness, such as 'the sole tree in the desert' or 'the sole light in the window'.

The board of directors has the sole authority to appoint a new CEO.

Common Collocations: Sole survivor, sole purpose, sole representative, sole ownership, rubber sole, leather sole.

Walking on the hot sand burned the soles of her feet.

Finally, consider the verb form, though it is less common. To 'sole' a shoe means to provide it with a sole. This is typically used in the context of shoe repair. 'I need to have these shoes resoled' is a common way to express that the bottom part of the shoe needs replacing. This usage reinforces the physical noun meaning while demonstrating the word's flexibility across different parts of speech.

The sole reason for the delay was a technical glitch in the system.

She was named the sole beneficiary of her grandfather's estate.

You will encounter the word 'sole' in a variety of real-world settings, each utilizing a different facet of its meaning. In the news, particularly during reports on tragic accidents or natural disasters, the term 'sole survivor' is frequently used to highlight the miraculous or tragic nature of an event where only one person lived. This usage is powerful and emotive, emphasizing the weight of being the only one left. In the business and financial sections of a newspaper, you will often read about 'sole proprietorships' or 'sole distributors.' These terms define the structure of commerce and the exclusivity of market rights.

News & Media: Commonly used in headlines to denote exclusivity or singular survival. 'The sole focus of the investigation is now on the suspect's motives.'

The sole focus of the meeting was to address the budget deficit.

If you visit a podiatrist or a shoe store, 'sole' becomes a physical term. A salesperson might talk about the 'cushioned soles' of a running shoe or the 'non-slip soles' of work boots. In a medical context, a doctor might examine the 'sole of the foot' for warts, calluses, or signs of nerve damage. This physical application is very common in daily life, especially when discussing comfort, health, or fashion. You might also hear it in a restaurant when the waiter describes the 'pan-seared sole' on the menu, referring to the delicate flatfish.

Medical & Retail: Refers to the physical bottom of the foot or shoe. 'These shoes have a very thick sole for extra support.'

He felt a sharp pebble through the thin sole of his sandal.

In legal settings, 'sole' is a word of precision. Lawyers use it to define boundaries of responsibility and ownership. 'Sole custody' in a divorce case means one parent has the exclusive right to make decisions for the child. 'Sole agency' in real estate means one agent has the exclusive right to sell a property. Hearing 'sole' in these contexts signals that the situation is legally binding and clearly defined, with no room for shared control. It is a word that carries significant weight in contracts and courtroom proceedings.

The company was granted sole rights to distribute the vaccine in the region.

Legal & Professional: Indicates exclusive authority or ownership. 'The mother was granted sole custody of the children.'

The sole of the foot is highly sensitive to touch and pressure.

In literature and storytelling, 'sole' is often used to emphasize isolation or the uniqueness of a character or object. A 'sole light in the dark' or a 'sole tree on the cliff' creates a vivid image of solitude. This usage is more atmospheric and helps to set a mood of loneliness or singular importance. Whether in a technical manual, a legal document, or a poetic novel, 'sole' is a versatile word that helps to define the 'one' among many or the 'bottom' that supports the whole.

The sole inhabitant of the island was an old hermit who loved the sea.

The sole of the shoe was made of recycled ocean plastic.

One of the most frequent errors involving the word 'sole' is its confusion with its homophone, 'soul'. While they sound exactly the same, their meanings are entirely different. 'Soul' refers to the spiritual, emotional, or immortal part of a human being, or sometimes the essence of something. 'Sole', as we have discussed, refers to being the only one or the bottom of a foot or shoe. Writing 'the soul survivor' instead of 'the sole survivor' is a common spelling mistake that can change the meaning of a sentence or make it appear unprofessional.

Sole vs. Soul: Sole = Only / Bottom of foot. Soul = Spiritual essence. Example: 'He put his heart and soul (spirit) into fixing the sole (bottom) of his shoe.'

Incorrect: He was the soul owner of the shop. Correct: He was the sole owner of the shop.

Another mistake occurs when learners try to pluralize 'sole' when it is being used as an adjective. In English, adjectives do not have plural forms. Even if the noun being modified is plural, 'sole' remains singular. For example, you should say 'their sole reasons' (the only reasons they have), not 'their soles reasons'. The only time 'soles' is correct is when it is a noun referring to the bottoms of multiple feet or shoes, or multiple fish. Misusing the plural form as an adjective is a sign of a developing understanding of English grammar.

Adjective Pluralization: Adjectives in English never take an 's'. Incorrect: 'The soles survivors'. Correct: 'The sole survivors'.

The sole inhabitants of the house were three cats and a parrot.

Confusion also arises between 'sole' and 'only'. While they are often synonyms, 'sole' is generally more formal and emphasizes exclusivity more strongly than 'only'. Using 'sole' in a very casual context might sound slightly out of place, although it is not grammatically wrong. For instance, 'He is my sole friend' sounds much more dramatic and formal than 'He is my only friend'. Understanding the register of the word helps in choosing the right synonym for the situation.

The sole reason I am here is to help you with your homework.

Sole vs. Solo: 'Sole' is an adjective meaning 'only'. 'Solo' is an adjective or adverb meaning 'alone' or 'unaccompanied'. You go on a 'solo flight', but you are the 'sole pilot'.

The soles of her feet were stained green from walking on the grass.

Finally, some people mistakenly use 'sole' when they mean 'single' in contexts where 'single' is more appropriate. While 'sole' means 'only one', 'single' often refers to one as opposed to multiple, or someone who is not married. For example, 'a single room' is a room for one person, but 'the sole room' would mean it is the only room in the entire building. Paying attention to these subtle differences in meaning will help you use 'sole' with precision and clarity in your writing and speech.

The sole purpose of the law is to protect the environment.

The sole of the foot contains many nerve endings.

When you want to express the idea of being the only one, 'sole' is a powerful choice, but there are several alternatives depending on the context and the level of formality you wish to achieve. The most common synonym is 'only'. While 'only' is versatile and can be used in almost any situation, 'sole' is often preferred in formal or legal contexts to emphasize exclusivity. For example, 'the only survivor' and 'the sole survivor' are both correct, but the latter sounds more like a formal report or a headline.

Sole vs. Only: 'Only' is common and versatile. 'Sole' is formal and emphasizes exclusivity. 'He is the only child' vs. 'He is the sole heir'.

The sole objective of the mission was to rescue the hostages.

'Exclusive' is another strong alternative, particularly in business and media. While 'sole' means there is only one, 'exclusive' often implies that others are intentionally kept out. For instance, an 'exclusive interview' means that only one news outlet has it. 'Single' is also a synonym, but it usually emphasizes the number one rather than the exclusivity. 'A single instance' means it happened once; 'the sole instance' means it was the only time it happened. 'Solitary' is used when describing something that is alone, often with a sense of isolation, like a 'solitary figure' or a 'solitary confinement'.

Sole vs. Exclusive: 'Sole' refers to being the only one. 'Exclusive' refers to the restriction of access to others. 'Sole ownership' vs. 'Exclusive membership'.

The sole of the shoe was worn down to a thin layer of rubber.

In the context of the physical 'sole' of the foot, there aren't many direct synonyms in common English, but medical professionals use the term 'plantar'. For the bottom of a shoe, you might hear 'base' or 'underside', though 'sole' is the most precise term. When referring to the fish, 'flatfish' is the broader category that includes sole, along with flounder and halibut. However, if a recipe calls for sole, substituting another flatfish might change the flavor and texture of the dish.

She was the sole witness to the accident that happened at midnight.

Sole vs. Solitary: 'Sole' is often about rights or facts (sole owner). 'Solitary' is often about the state of being alone (solitary traveler).

The sole of the foot is one of the few places on the body without hair.

Finally, the word 'unshared' can be used as a synonym for 'sole' in contexts involving responsibilities or emotions. 'His unshared burden' is similar to 'his sole responsibility'. 'Lone' is another poetic alternative, often used for people or animals, such as 'a lone wolf'. Choosing the right alternative depends on whether you want to sound technical, poetic, formal, or casual. 'Sole' remains one of the most precise and widely understood words for expressing the concept of being the only one.

The sole reason for his departure was a better job offer abroad.

The sole of the boot was designed to provide maximum grip on icy surfaces.

How Formal Is It?

Formal

Neutral

Informal

Child friendly

Slang

Fun Fact

The fish called 'sole' is named so because its flat, oval shape resembles the sole of a human foot or a sandal. This is why the noun for the foot and the fish are the same!

Pronunciation Guide

UK /səʊl/

US /soʊl/

The word is a single syllable, so the stress is on the entire word.

Rhymes With

hole pole role goal bowl toll stroll roll coal

Common Errors

Pronouncing it like 'sol-ee' (incorrectly adding a second syllable).
Confusing the pronunciation with 'solo' (adding an extra 'o' at the end).
Failing to pronounce the final 'l' clearly.
Confusing it with 'soil' (using an 'oy' sound instead of 'oh').
Making the 'o' sound too short, like in 'sol' (the musical note).

Difficulty Rating

Reading 3/5

Easy to read but requires context to distinguish between the noun and adjective.

Writing 4/5

Commonly misspelled as 'soul', which is a frequent error for learners.

Speaking 2/5

Simple one-syllable pronunciation.

Listening 4/5

Can be confused with 'soul' in spoken English without context.

What to Learn Next

Prerequisites

only foot shoe fish alone

Learn Next

solely exclusive proprietor beneficiary solitary

Advanced

jurisdiction prerogative plantar ichthyology pleuronectiform

Grammar to Know

Adjectives do not have plural forms in English.

Correct: The sole survivors. Incorrect: The soles survivors.

Homophones are words that sound the same but have different spellings and meanings.

Sole (only) vs. Soul (spirit).

Adverbs are formed by adding -ly to the adjective.

Sole -> Solely.

Attributive adjectives come before the noun.

The sole reason.

Nouns can be used as verbs in certain contexts (zero derivation).

To sole a shoe.

Examples by Level

The sole of my shoe is wet.

La semelle de ma chaussure est mouillée.

Noun: 'sole' is the subject of the sentence.

I like to eat sole for dinner.

J'aime manger de la sole pour le dîner.

Noun: 'sole' refers to the fish.

The sand is hot on the soles of my feet.

Le sable est chaud sur la plante de mes pieds.

Noun: 'soles' is the plural form.

He has a hole in the sole of his boot.

Il a un trou dans la semelle de sa botte.

Noun: singular.

The sole is a flat fish.

La sole est un poisson plat.

Noun: singular.

Wash the soles of your shoes before coming inside.

Lavez les semelles de vos chaussures avant d'entrer.

Noun: plural.

My sole is made of rubber.

Ma semelle est en caoutchouc.

Noun: singular.

She has small soles.

Elle a de petites plantes de pieds.

Noun: plural.

He was the sole person in the room.

Il était la seule personne dans la pièce.

Adjective: modifies 'person'.

My sole reason for calling was to say hello.

Ma seule raison d'appeler était de dire bonjour.

Adjective: modifies 'reason'.

The sole of this shoe is very thick.

La semelle de cette chaussure est très épaisse.

Noun: singular.

They serve fresh sole at the market.

Ils servent de la sole fraîche au marché.

Noun: refers to the fish.

Is this your sole pair of glasses?

Est-ce votre seule paire de lunettes ?

Adjective: modifies 'pair'.

The soles of his feet were very sore.

La plante de ses pieds était très douloureuse.

Noun: plural.

She is the sole owner of the cat.

Elle est l'unique propriétaire du chat.

Adjective: modifies 'owner'.

The sole purpose of the game is to have fun.

Le seul but du jeu est de s'amuser.

Adjective: modifies 'purpose'.

She was the sole survivor of the plane crash.

Elle était l'unique survivante de l'accident d'avion.

Adjective: emphasizes exclusivity.

He is the sole proprietor of a small bakery.

Il est le propriétaire unique d'une petite boulangerie.

Adjective: business term.

The company has the sole right to sell this product.

L'entreprise a le droit exclusif de vendre ce produit.

Adjective: legal context.

I am solely responsible for the project's failure.

Je suis seul responsable de l'échec du projet.

Adverb: 'solely' modifies 'responsible'.

The soles of these boots are designed for hiking.

Les semelles de ces bottes sont conçues pour la randonnée.

Noun: plural.

His sole ambition was to become a doctor.

Son unique ambition était de devenir médecin.

Adjective: modifies 'ambition'.

The chef recommended the Dover sole.

Le chef a recommandé la sole de Douvres.

Noun: specific type of fish.

The sole focus of the meeting was the new budget.

Le seul point à l'ordre du jour était le nouveau budget.

Adjective: modifies 'focus'.

The court granted her sole custody of the children.

Le tribunal lui a accordé la garde exclusive des enfants.

Adjective: legal term for exclusive rights.

The sole reason for the delay was a lack of funding.

La seule raison du retard était un manque de financement.

Adjective: provides precise explanation.

He acted as the sole representative for the firm.

Il a agi en tant que représentant unique de l'entreprise.

Adjective: indicates exclusive role.

The soles of the shoes were made from recycled tires.

Les semelles des chaussures étaient fabriquées à partir de pneus recyclés.

Noun: plural, technical description.

She was the sole beneficiary of her aunt's will.

Elle était l'unique bénéficiaire du testament de sa tante.

Adjective: formal legal usage.

The sole purpose of this study is to gather data.

L'unique but de cette étude est de recueillir des données.

Adjective: formal academic usage.

The athlete suffered a tear in the sole of his foot.

L'athlète a souffert d'une déchirure à la plante du pied.

Noun: anatomical context.

The sole remaining building from the 18th century was a church.

Le seul bâtiment subsistant du XVIIIe siècle était une église.

Adjective: emphasizes uniqueness in history.

The sole arbiter of the competition's rules is the committee.

L'arbitre unique des règles de la compétition est le comité.

Adjective: formal, high-level vocabulary.

The sole responsibility for the disaster lies with the management.

La responsabilité exclusive de la catastrophe incombe à la direction.

Adjective: assigns total accountability.

The soles of the shoes were intricately carved with patterns.

Les semelles des chaussures étaient finement sculptées de motifs.

Noun: plural, descriptive detail.

The sole survivor's account of the event was harrowing.

Le récit de l'unique survivant sur l'événement était déchirant.

Adjective: modifies 'survivor's account'.

He was the sole occupant of the ancient castle.

Il était l'unique occupant du vieux château.

Adjective: evokes a sense of isolation.

The sole objective of the treaty was to ensure peace.

L'unique objectif du traité était d'assurer la paix.

Adjective: formal diplomatic usage.

The fishmonger recommended the lemon sole for its delicate texture.

Le poissonnier a recommandé la sole limande pour sa texture délicate.

Noun: specific culinary term.

The sole of the foot is a complex structure of bones and ligaments.

La plante du pied est une structure complexe d'os et de ligaments.

Noun: scientific context.

The sole prerogative of the monarch was to dissolve parliament.

La prérogative exclusive du monarque était de dissoudre le parlement.

Adjective: highly formal, constitutional context.

The sole aim of the philosophical inquiry was to define truth.

L'unique but de l'enquête philosophique était de définir la vérité.

Adjective: abstract academic usage.

The soles of the boots were reinforced with titanium plates.

Les semelles des bottes étaient renforcées par des plaques de titane.

Noun: plural, technical specification.

She was the sole voice of dissent in a room full of supporters.

Elle était la seule voix dissidente dans une salle remplie de partisans.

Adjective: metaphorical usage.

The sole criterion for admission was academic excellence.

Le seul critère d'admission était l'excellence académique.

Adjective: formal institutional usage.

The sole of the foot provides essential sensory feedback to the brain.

La plante du pied fournit un retour sensoriel essentiel au cerveau.

Noun: physiological context.

The sole focus of his life's work was the eradication of poverty.

L'unique objectif de l'œuvre de sa vie était l'éradication de la pauvreté.

Adjective: emphasizes lifelong dedication.

The sole remaining copy of the manuscript was kept in a vault.

L'unique exemplaire restant du manuscrit était conservé dans un coffre-fort.

Adjective: denotes extreme rarity.

Common Collocations

sole survivor

sole purpose

sole proprietor

rubber sole

sole custody

sole responsibility

sole beneficiary

sole representative

leather sole

sole reason

Common Phrases

the sole of the foot

— The bottom surface of the human foot.

He had a splinter in the sole of his foot.

sole ownership

— When one person or entity owns 100% of something.

The company is under sole ownership.

sole discretion

— The power to make a decision without consulting others.

The manager has the sole discretion to hire new staff.

sole agent

— A person or company with the exclusive right to act for another.

They were appointed as the sole agent for the brand in Asia.

sole occupant

— The only person living in or using a space.

He was the sole occupant of the apartment building.

sole survivor

— The only person who did not die in an accident.

The sole survivor told his story to the press.

sole focus

— The only thing being concentrated on.

Our sole focus right now is improving customer service.

sole right

— An exclusive legal power or privilege.

The author has the sole right to publish the book.

sole provider

— The only person who earns money to support a family.

She was the sole provider for her three children.

sole authority

— The only person with the power to give orders.

The captain has sole authority on the ship.

Often Confused With

sole vs soul

A homophone referring to the spiritual part of a person. 'Sole' is about being only one or a physical surface.

sole vs solo

Means alone or unaccompanied. You do a 'solo' performance, but you are the 'sole' performer.

sole vs sol

A musical note or a Latin word for the sun. Sounds similar but used in completely different contexts.

Idioms & Expressions

"heart and sole"

— A pun on 'heart and soul', meaning with complete dedication and effort, often related to walking or shoes.

He put his heart and sole into the marathon.

informal/pun

"to have a hole in one's sole"

— Literally having a worn-out shoe, but sometimes used to imply poverty or a long journey.

By the end of the trip, I had a hole in my sole.

neutral

"solely for the sake of"

— Doing something only for a specific reason and no other.

He did it solely for the sake of argument.

formal

"the sole of discretion"

— A play on 'the soul of discretion', referring to someone who is extremely good at keeping secrets.

You can trust her; she is the sole of discretion.

literary/pun

"worn to the sole"

— Completely exhausted or used up, like a shoe that has lost its bottom.

After the double shift, I felt worn to the sole.

informal

"sole survivor status"

— A specific legal or military designation for the last living member of a family.

He was granted sole survivor status after his brothers died in battle.

formal/military

"on the sole of one's feet"

— A phrase used to describe being constantly busy or moving.

I've been on the soles of my feet all day.

informal

"sole of a wit"

— An archaic or rare pun referring to a clever person who is also grounded.

He was known as the sole of a wit in his village.

archaic

"bare-soled"

— Walking without shoes; having nothing between the feet and the ground.

The children ran bare-soled through the grass.

neutral

"solely responsible"

— Being the only person who can be blamed or credited for something.

You are solely responsible for your own happiness.

neutral

Easily Confused

sole vs soul

They sound identical.

'Sole' is the bottom of a foot or 'only'. 'Soul' is the spirit or essence of a person.

The sole of his shoe was worn, but his soul was full of joy.

sole vs solo

Both relate to being alone.

'Sole' is an adjective meaning 'only'. 'Solo' is an adjective/adverb meaning 'done by one person'.

He was the sole pilot on his solo flight around the world.

sole vs solitary

Both relate to being alone.

'Sole' is often about a fact or right (sole owner). 'Solitary' is about the state or feeling of being alone.

The sole resident of the house lived a solitary life.

sole vs single

Both mean one.

'Single' means one as opposed to many. 'Sole' means the only one available or allowed.

He didn't have a single dollar, and that was the sole reason he couldn't buy bread.

sole vs only

They are synonyms.

'Only' is more common and casual. 'Sole' is more formal and implies exclusivity.

He is my only brother, but he is the sole heir to the fortune.

Sentence Patterns

The sole of [possessive] [shoe/foot] is [adjective].

The sole of my shoe is blue.

[Subject] is the sole [noun].

He is the sole owner.

The sole purpose of [noun/gerund] is [noun/to verb].

The sole purpose of exercise is to stay healthy.

[Subject] has sole authority over [noun].

The manager has sole authority over the budget.

Being the sole [noun], [subject] [verb].

Being the sole witness, she had to testify.

It is the sole prerogative of [noun] to [verb].

It is the sole prerogative of the board to change the rules.

[Subject] is solely responsible for [noun/gerund].

You are solely responsible for your actions.

I'd like the [type] sole, please.

I'd like the grilled sole, please.

Word Family

Nouns

Verbs

Adjectives

How to Use It

frequency

Common in specific contexts (legal, news, footwear, culinary) but less common than 'only' in general speech.

Common Mistakes

He was the soul survivor. → He was the sole survivor.
You must use 'sole' for 'only'. 'Soul' refers to the spirit.
These are my soles reasons. → These are my sole reasons.
Adjectives in English do not have plural forms.
I have a pain in my soul of my foot. → I have a pain in the sole of my foot.
The body part is spelled 'sole'.
He is a solo owner of the company. → He is the sole owner of the company.
While 'solo' means alone, 'sole' is the correct adjective for exclusive ownership.
I solely want to help you. → I only want to help you. / I want solely to help you.
'Solely' is often placed more formally or used to mean 'entirely'. In simple sentences, 'only' is more natural.

Tips

Sole vs. Soul

Remember: S-O-L-E is for the bottom of your shoe (which touches the Earth). S-O-U-L is for your spirit (which is inside you).

No Plural Adjectives

Never add an 's' to 'sole' when it is an adjective. It is always 'the sole survivors', never 'the soles survivors'.

Formal Tone

Use 'sole' instead of 'only' in essays or business emails to sound more professional and precise.

Rhyme Time

Sole rhymes with 'hole'. If you can say 'hole', you can say 'sole' perfectly!

Check the Noun

If 'sole' is followed by a person or a reason, it means 'only'. If it's followed by 'of the foot', it's a body part.

Proprietorship

If you are starting a business alone, you are a 'sole proprietor'. This is a key term in economics and law.

Ordering Fish

Sole is a very light fish. If you don't like 'fishy' tasting fish, sole is a great choice to order at a restaurant.

Shoe Care

If the bottom of your expensive shoes is worn out, don't throw them away! Ask a cobbler to 'resole' them.

Latin Roots

Knowing that 'solus' means alone helps you remember 'sole', 'solo', and 'solitary' all at once.

Solely

Use the adverb 'solely' to mean 'entirely' or 'only'. 'I did it solely for the money' means you had no other reason.

Memorize It

Mnemonic

Think of a 'Sole' as being 'Solo'. Both words start with 'SOL' and mean being alone or the only one. For the shoe, remember that the 'Sole' is what touches the 'Soil'.

Visual Association

Imagine a single shoe sitting in the middle of a vast desert. The 'sole' of the shoe is the only thing touching the ground, representing both meanings of the word.

Word Web

only shoe foot fish survivor owner proprietor exclusive

Challenge

Try to write a sentence that uses 'sole' as an adjective and 'sole' as a noun. For example: 'The sole reason I bought these shoes was because of their thick rubber soles.'

Word Origin

The word 'sole' has two distinct Latin origins. The adjective 'sole' (meaning only) comes from the Latin 'solus', meaning alone or only. The noun 'sole' (meaning the bottom of the foot) comes from the Latin 'solea', meaning a sandal or the bottom of the foot.

Original meaning: The original meaning of the adjective was 'alone' or 'unaccompanied'. The original meaning of the noun was 'sandal' or 'flat foundation'.

Indo-European -> Italic -> Latin -> Old French -> Middle English.

Cultural Context

Be mindful of the 'showing soles' insult in Middle Eastern and some Asian cultures. Avoid pointing your feet at people in these settings.

In English-speaking business culture, 'sole proprietorship' is the simplest form of business ownership, reflecting a culture of individual entrepreneurship.

The 'Red Sole' trademark of Christian Louboutin shoes. The movie 'Sole Survivor' (various films with this title). The classic dish 'Sole Meunière', famously enjoyed by Julia Child.

Practice in Real Life

Real-World Contexts

Shoe Shopping

Do these have rubber soles?
I need a thicker sole.
The sole is very flexible.
Can these shoes be resoled?

Legal Documents

Sole and exclusive rights.
The sole discretion of the board.
Named as the sole heir.
Sole custody agreement.

Medical Checkup

Pain in the sole of the foot.
The plantar surface or sole.
Check the soles for calluses.
Itchy soles can be a symptom.

Dining Out

I'll have the grilled sole.
Is the sole fresh today?
Dover sole is the specialty.
Fillet of sole with lemon.

News Reporting

The sole survivor was found.
The sole focus of the police.
A sole witness has come forward.
The sole cause of the fire.

Conversation Starters

"Have you ever had to resole a favorite pair of shoes because you loved them too much to throw away?"

"If you were the sole survivor on a desert island, what three things would you want to have with you?"

"Do you prefer fish like sole, or do you prefer something with a stronger flavor like salmon?"

"In your opinion, what is the sole most important quality a good leader should have?"

"Have you ever walked barefoot and felt something strange on the sole of your foot?"

Journal Prompts

Describe a time when you were the sole person responsible for a big task. How did it feel to have all that pressure?

Write about a journey where you walked so much that the soles of your shoes were completely worn out.

What is the sole reason you are learning English? Reflect on your primary motivation and how it has changed.

Imagine you are the sole owner of a successful company. What kind of business would it be and how would you run it?

Reflect on a moment of 'solitude'. Is being the 'sole' person in a place a positive or negative experience for you?

Frequently Asked Questions

10 questions

Yes, 'sole' is a common name for several species of flatfish. They are known for being very thin and having both eyes on one side of their head. In cooking, they are prized for their mild, sweet flavor and delicate texture. Common types include Dover sole and Lemon sole.

A sole proprietor is an individual who owns and operates a business alone. In this business structure, there is no legal distinction between the owner and the business entity. This means the owner is entitled to all profits but is also personally responsible for all the business's debts and legal liabilities.

No, you should never use 'sole' when you mean 'soul'. 'Soul' refers to the spirit, heart, or essence of a person. 'Sole' refers to being the only one or the bottom of a foot. Even though they sound the same, using the wrong one is a major spelling error.

Sole custody is a legal arrangement, usually after a divorce, where only one parent has the right and responsibility to make major decisions for a child. This can include decisions about education, health care, and religious upbringing. It is the opposite of 'joint custody'.

Yes, 'solely' is an adverb that means 'only' or 'exclusively'. It is more formal than 'only'. For example, 'I am solely responsible' sounds more serious and professional than 'I am only responsible'. It emphasizes that there are no other factors or people involved.

The fish is called a 'sole' because of its physical appearance. It is a flat, oval-shaped fish that lives on the ocean floor. Early observers thought its shape resembled the sole of a human foot or a sandal (which is 'solea' in Latin).

When referring to the bottom of a foot or shoe, the plural is 'soles'. When referring to the fish, you can use 'sole' or 'soles'. However, when 'sole' is used as an adjective (meaning 'only'), it never changes form, even if the noun it describes is plural (e.g., 'the sole reasons').

In medical and anatomical terms, the sole of the foot is referred to as the 'plantar' surface. This is why a common foot injury is called 'plantar fasciitis'—it is an inflammation of the tissue on the sole of the foot.

Yes, 'sole' can be used as a verb, though it is mostly used in the context of shoe repair. To 'sole' a shoe means to attach a sole to it. You might more commonly hear the word 'resole', which means to replace an old, worn-out sole with a new one.

Yes, 'sole' is a very common word in English. It is used in many different areas of life, including fashion (shoe soles), medicine (foot soles), business (sole proprietor), law (sole custody), and cooking (sole fish). It is an essential word for B1 level learners and above.