Explanation at your level:
When you put water on a hot stove, it gets very hot. Soon, it bubbles. This is boil. You can boil water for tea. You can boil eggs for breakfast. It is a very useful word for cooking.
You use the word boil when you cook food in hot water. For example, 'I am boiling potatoes.' You can also say 'the water is boiling' when you see bubbles in the pot. It is a common word in the kitchen.
The verb boil describes the physical process of heating a liquid to its boiling point. Beyond cooking, we use it in the phrasal verb 'boil down,' which means to simplify or summarize complex information. It is a versatile word in both daily conversation and business meetings.
In B2 English, boil takes on more nuanced meanings. While the literal sense remains, we use it in idioms like 'blood boiling' to describe intense anger. It is also used to describe situations that have reached a critical state, or 'boiling point,' where an explosion of emotion or activity is imminent.
At the C1 level, boil is frequently used in its figurative sense. We talk about 'boiling down' arguments or data to their 'essential elements.' This requires a high degree of precision, as it implies the ability to discern what is truly significant from what is merely peripheral. It is a staple of analytical and academic discourse.
Mastery of boil involves understanding its etymological depth and its role in idiomatic register. From the Latin bullire, the word carries a sense of agitation and energy. In literary contexts, it may describe the 'seething' of the sea or the 'boiling' of a crowd, where the word captures a state of collective or elemental intensity that transcends simple thermodynamics.
30秒でわかる単語
- Boil means to heat liquid until it bubbles.
- It is used for cooking and science.
- Figuratively, it means to simplify (boil down).
- Common idioms include 'blood boil' and 'boiling point'.
When we talk about boil, we are usually talking about heat. It is a fundamental process in cooking and science. When a liquid reaches its boiling point, it transitions from a liquid state to a gaseous state, which we see as steam.
Beyond the kitchen, boil is used figuratively. If you boil down a long report, you are removing the fluff to find the essential points. It is a great way to describe simplification.
The word boil comes from the Old French word boillir, which traces back to the Latin bullire, meaning 'to bubble.' This is the same root that gives us the word bulletin and ebullient.
It entered the English language around the 13th century. Interestingly, it has remained remarkably consistent in its meaning for hundreds of years, always relating to the agitation of liquid by heat.
You will hear boil most often in the kitchen. We say 'boil the water' or 'boil the pasta.' It is a neutral, everyday verb that works in almost any situation.
In professional settings, you might hear 'let's boil this project down to the basics.' This implies taking a large, complex task and making it manageable. It is a very useful phrasal verb.
- Boil over: To lose one's temper suddenly. Example: She finally boiled over when the client complained again.
- A watched pot never boils: Time seems to pass slowly when you are waiting for something. Example: Stop checking the clock; a watched pot never boils!
- Boil down to: To be the main or essential part of something. Example: It all boils down to money in the end.
- Make one's blood boil: To make someone extremely angry. Example: The injustice of the situation made my blood boil.
- Boiling point: The state of being at the limit of one's patience. Example: The team reached their boiling point after the long delay.
Boil is a regular verb. The past tense and past participle are boiled. The present participle is boiling.
Pronunciation is straightforward: /bɔɪl/. It rhymes with coil, foil, soil, spoil, and toil. The stress is always on the single syllable.
Fun Fact
Related to the word 'bulletin' through the idea of bubbling or swelling.
Pronunciation Guide
Crisp 'oi' sound followed by a clear 'l'.
Similar to UK, slightly more rounded 'o'.
Common Errors
- Pronouncing it like 'bowl'
- Adding an extra syllable
- Swallowing the 'l'
Rhymes With
Difficulty Rating
Very easy to read.
Easy to use in sentences.
Simple pronunciation.
Clear sound.
What to Learn Next
Prerequisites
Learn Next
上級
Grammar to Know
Regular Verbs
boil -> boiled
Present Continuous
is boiling
Imperative Mood
Boil the water!
Examples by Level
I boil water for tea.
I heat water until it bubbles.
Simple present tense.
The water is boiling.
Bubbles are forming.
Present continuous.
Boil the eggs.
Cook the eggs in water.
Imperative.
Do not touch the boiling water.
It is dangerous.
Negative imperative.
I like boiled potatoes.
Potatoes cooked in water.
Adjective form.
The pot is on the boil.
The pot is heating up.
Idiomatic phrase.
Can you boil some milk?
Heat the milk.
Modal verb.
The soup is boiling.
The soup is very hot.
Subject-verb agreement.
The pasta needs to boil for ten minutes.
He boiled the vegetables until they were soft.
Be careful, the water is boiling over!
She boiled the water in a kettle.
Boiled water is safe to drink.
We are boiling some corn for dinner.
The tea is ready once the water boils.
I prefer boiled eggs to fried eggs.
The whole issue boils down to a lack of communication.
The tension in the room was at a boiling point.
He boiled with rage when he heard the news.
The recipe says to boil the mixture gently.
It all boils down to who has the most money.
The sea was boiling with activity.
She boiled the bones to make a stock.
The argument boiled over into a fight.
The political situation is nearing its boiling point.
The complex report boiled down to one simple conclusion.
His comments made my blood boil.
The debate boiled over during the final session.
We need to boil down our strategy to the essentials.
The anger in the city was boiling over.
The process boils down to three simple steps.
She was boiling with indignation.
The essence of his philosophy boils down to radical empathy.
The conflict boiled over after years of suppressed resentment.
We must boil down the data to identify the core trends.
The public's frustration has reached a boiling point.
He boiled the complex legal theory down to a single paragraph.
The atmosphere in the stadium was boiling with excitement.
The situation boiled down to a simple choice: stay or leave.
Her blood boiled at the sight of such injustice.
The narrative boils down to the classic struggle between light and dark.
The city was boiling with the fervor of revolution.
The entire history of the conflict boils down to a territorial dispute.
He managed to boil down the sprawling epic into a concise summary.
The public mood had reached a boiling point, ready to erupt.
The debate boiled over, leaving no room for compromise.
The essence of the matter boils down to a question of ethics.
She felt her blood boil at the sheer arrogance of the claim.
よく使う組み合わせ
Idioms & Expressions
"A watched pot never boils"
Time passes slowly when waiting.
Stop staring at the oven; a watched pot never boils.
casual"Boil down to"
To be the essential core.
It all boils down to hard work.
neutral"Make one's blood boil"
To cause extreme anger.
His rudeness makes my blood boil.
casual"Boiling point"
The limit of patience.
The situation is at a boiling point.
neutral"Boil over"
To lose control of temper.
He boiled over during the meeting.
casualEasily Confused
similar sound
broil is cooking with direct heat (grill), boil is liquid
Boil the water, broil the steak.
both involve heat
simmer is lower temperature
Boil pasta, simmer sauce.
similar sound
bowl is a dish, boil is a verb
Put the soup in a bowl.
related action
bubble is the action of the air, boil is the process
The water bubbles as it boils.
Sentence Patterns
Subject + boil + object
She boiled the eggs.
Subject + boil + down + to + noun
It boils down to money.
Subject + be + boiling + with + emotion
He was boiling with rage.
Bring + object + to + a + boil
Bring the milk to a boil.
Subject + boil + over
The pot boiled over.
語族
Nouns
Verbs
Adjectives
関連
How to Use It
8/10
Formality Scale
よくある間違い
Boiling is the process, steam is the result.
Boiling is too harsh for meat; simmer is better.
Use the continuous form for current state.
The subject should be the issue, not the person.
The idiom does not use 'down'.
Tips
Bubbles First
Always associate 'boil' with the visual of bubbles.
Business Context
Use 'boil down to' to sound analytical.
Proverbs
Remember the 'watched pot' proverb for patience.
Regular Verb
It is easy: just add -ed.
The 'oi' sound
Make sure to clearly pronounce the 'oi' dipthong.
Don't overcook
Use 'simmer' for gentle cooking.
Latin Roots
It comes from the same root as 'bulletin'!
Flashcards
Put idioms on one side and definitions on the other.
Rhyme Time
Say 'boil, coil, soil' to practice the sound.
Kitchen Safety
Always use 'boiling' with caution.
Memorize It
Mnemonic
BOIL: Bubbles Often Indicate Liquid-heat.
Visual Association
A pot on a stove with large bubbles rising to the top.
Word Web
チャレンジ
Use 'boil down to' in a sentence today.
語源
Latin
Original meaning: To bubble
文化的な背景
None.
Commonly used in cooking instructions and idiomatically in business.
Practice in Real Life
Real-World Contexts
Cooking
- bring to a boil
- hard-boiled
- boil gently
Business
- boil down to
- boiling point
- essential elements
Emotions
- blood boil
- boiling over
- boiling with rage
Science
- boiling point
- vaporization
- liquid state
Conversation Starters
"What is the easiest thing to boil?"
"Have you ever had a pot boil over?"
"What does the phrase 'a watched pot never boils' mean to you?"
"When was the last time your blood boiled?"
"Can you boil down your favorite movie to one sentence?"
Journal Prompts
Describe a time you were so angry you felt your blood boil.
Write a recipe that requires boiling.
Explain a complex topic by 'boiling it down' to three points.
Reflect on the proverb 'a watched pot never boils' in your own life.
よくある質問
8 問No, boiling is more vigorous and hotter than simmering.
Only figuratively, like 'boiling with rage'.
A machine that heats water for heating a building.
Usually, but any liquid can boil.
Yes, 'boiling water' describes the water.
It is a proverb about patience.
Yes, but it is dangerous and called deep-frying.
Boiled.
自分をテスト
Put the water on the stove to ___.
Water is heated to boil.
What does it mean if water is boiling?
Boiling creates bubbles.
The phrase 'boil down to' means to simplify.
It means to reduce to the essentials.
Word
意味
Idiom matching.
The correct order is 'It boils down to the facts'.
スコア： /5
Summary
Boil is a versatile verb that moves from the kitchen stove to the heart of complex arguments.
- Boil means to heat liquid until it bubbles.
- It is used for cooking and science.
- Figuratively, it means to simplify (boil down).
- Common idioms include 'blood boil' and 'boiling point'.
Bubbles First
Always associate 'boil' with the visual of bubbles.
Business Context
Use 'boil down to' to sound analytical.
Proverbs
Remember the 'watched pot' proverb for patience.
Regular Verb
It is easy: just add -ed.
例文
You should boil the potatoes for about fifteen minutes until they are soft.
Related Content
文脈で学ぶ
関連フレーズ
Cookingの関連語
breadcrumbs
B1Tiny, dry particles of bread, used in cooking, typically for coating food before frying or as a topping. It also refers to a navigational aid used in user interfaces that shows the user's location in a website or application.
grilled
B1網の上で直火で焼いた状態のこと。比喩的に、誰かを厳しく問い詰めたり、しつこく質問攻めにしたりすることも指すよ。
batter
B1パンケーキなどを作るための、小麦粉・卵・液体を混ぜた生地のこと。動詞としては、激しく打つことを意味します。
scrambled
B1物事がごちゃ混ぜになっている状態を意味します。卵料理では、溶きほぐしてフライパンでかき混ぜながら調理したものです。
blend
B2To mix different substances, qualities, or ideas together so that they form a single, harmonious whole. It describes the process of making separate parts indistinguishable from one another or creating a smooth transition between them.
broil
B2A noisy quarrel, brawl, or state of intense turmoil and confusion. In academic or literary contexts, it refers to a heated disagreement or a period of civil strife and disorder.
sauce
B1A thick liquid served with food to add moisture and flavor. It can range from simple condiments like ketchup to complex culinary creations. In modern slang, it can also refer to style, confidence, or audacity.
revictic
C1特に遠隔地で、食料などの必需品を補充する正式な行為。
adulterate
C1混ぜ物をして品質を落とすこと。特に食品や薬品などで、純粋なものを汚すときに使うよ。
pan
A1取っ手のついた平たい調理器具のことだよ。フライパンで目玉焼きを作るのに使うね。
