500+ English Idioms: Meanings, Origins, and Examples

What Are Idioms?

An idiom is a phrase or expression whose meaning cannot be understood from the literal meanings of its individual words. English idioms are a form of figurative language where the whole expression has a meaning that is different from—and often unrelated to—the meanings of the individual words that compose it.

For example, "it's raining cats and dogs" does not mean that animals are falling from the sky—it means it is raining very heavily. "Break a leg" does not express a wish for injury—it means "good luck." "Kick the bucket" is not about footwear and pails—it means to die.

English idioms are deeply embedded in the language's culture and history. They add color, expressiveness, and nuance to communication, and they are used constantly in both everyday speech and writing. Native speakers use idioms so naturally that they often do not realize they are speaking figuratively. For language learners, however, idioms represent one of the most challenging aspects of mastering English.

Idioms cannot be understood through a standard dictionary lookup of individual words—you need to learn each idiom as a complete expression. Understanding definitions of individual words will not help you decode an idiom's meaning.

Why Learn English Idioms?

Learning English idioms is essential for several reasons:

Comprehension: Native English speakers use idioms constantly. If you do not know common idioms, you will miss the meaning of much of what you hear and read.
Natural speech: Using idioms appropriately makes your English sound more natural and fluent. It signals cultural competence and linguistic sophistication.
Cultural understanding: Many idioms reflect cultural values, historical events, and shared experiences. Learning them provides insight into English-speaking cultures.
Expressiveness: Idioms provide vivid, concise ways to express complex ideas. "She let the cat out of the bag" is more colorful and memorable than "She accidentally revealed the secret."

Everyday Life Idioms

A piece of cake — something very easy. "The exam was a piece of cake."
Hit the nail on the head — to describe exactly what is causing a situation or problem. "You hit the nail on the head with that analysis."
Under the weather — feeling ill. "I'm a bit under the weather today."
Break the ice — to make people feel more comfortable in a social situation. "He told a joke to break the ice."
Bite off more than you can chew — to take on more responsibility than you can manage. "She bit off more than she could chew with three jobs."
Cut to the chase — to get to the point without wasting time. "Let me cut to the chase—we need more funding."
Hit the road — to leave; to begin a journey. "We should hit the road before traffic gets worse."
Call it a day — to stop working on something. "I'm tired. Let's call it a day."
Get out of hand — to become unmanageable. "The party got out of hand."
In the nick of time — just in time; at the last possible moment. "We arrived in the nick of time."
Once in a blue moon — very rarely. "I see her once in a blue moon."
Pull someone's leg — to joke with someone. "Are you pulling my leg?"
See eye to eye — to agree. "We don't always see eye to eye."
The last straw — the final problem in a series that makes the situation intolerable. "That remark was the last straw."
When pigs fly — never (used to express disbelief). "He'll clean his room when pigs fly."

Work and Business Idioms

Back to the drawing board — to start over after a failure. "The product failed testing. Back to the drawing board."
Get the ball rolling — to start something. "Let's get the ball rolling on this project."
Think outside the box — to think creatively. "We need to think outside the box to solve this."
Up in the air — uncertain; not yet decided. "The merger is still up in the air."
Burn the midnight oil — to work late into the night. "I burned the midnight oil finishing the report."
Go the extra mile — to make more effort than expected. "She always goes the extra mile for clients."
Learn the ropes — to learn how a particular job or task is done. "It took me a month to learn the ropes."
On the same page — in agreement. "Let's make sure we're all on the same page."
Put all your eggs in one basket — to risk everything on a single venture. "Don't put all your eggs in one basket."
The bottom line — the most important point; the final result. "The bottom line is we need to increase sales."

Emotions and Feelings Idioms

On cloud nine — extremely happy. "She's been on cloud nine since the promotion."
Down in the dumps — feeling sad or depressed. "He's been down in the dumps all week."
Blow off steam — to release anger or frustration. "I went for a run to blow off steam."
Green with envy — very jealous. "She was green with envy at her friend's new house."
Have butterflies in your stomach — to feel nervous. "I always have butterflies before a presentation."
Over the moon — extremely happy. "They were over the moon about the baby."
Scared stiff — extremely frightened. "The horror movie left me scared stiff."
Wear your heart on your sleeve — to show your emotions openly. "She wears her heart on her sleeve."

Time and Money Idioms

Time flies — time passes quickly. "Time flies when you're having fun."
Kill time — to do something while waiting. "I read a magazine to kill time."
Against the clock — in a hurry; with a time limit. "We're working against the clock."
Break the bank — to be very expensive. "A nice dinner doesn't have to break the bank."
Cost an arm and a leg — to be extremely expensive. "That car cost an arm and a leg."
Money doesn't grow on trees — money is not easily obtained. "We can't buy everything—money doesn't grow on trees."
Save for a rainy day — to save money for future needs. "Put some aside to save for a rainy day."
Time is money — time is valuable and should not be wasted. "Let's start the meeting. Time is money."

Animal Idioms

Let the cat out of the bag — to reveal a secret. "Who let the cat out of the bag about the surprise party?"
The elephant in the room — an obvious problem nobody wants to discuss. "His alcoholism is the elephant in the room."
Kill two birds with one stone — to accomplish two things with one action. "By cycling to work, I kill two birds with one stone—exercise and commuting."
A little bird told me — I heard from a secret source. "A little bird told me you got engaged."
Hold your horses — wait; be patient. "Hold your horses—I'm not ready yet."
The early bird catches the worm — those who start early have an advantage.
Straight from the horse's mouth — from the original or most reliable source.
A fish out of water — someone who feels uncomfortable in a situation.
Bark up the wrong tree — to pursue a wrong course of action.
Crocodile tears — fake sadness or sympathy.

Body Part Idioms

Keep an eye on — to watch carefully. "Keep an eye on the children."
Give someone a hand — to help someone. "Could you give me a hand with these boxes?"
Bite your tongue — to stop yourself from saying something. "I had to bite my tongue to avoid starting an argument."
Cold shoulder — to deliberately ignore someone. "She gave him the cold shoulder."
Get something off your chest — to talk about something that has been bothering you.
Keep your chin up — stay positive in a difficult situation.
Put your foot in your mouth — to say something embarrassing or inappropriate.
Turn a blind eye — to pretend not to notice something.
Stick your neck out — to take a risk.

Food Idioms

Spill the beans — to reveal a secret. "Come on, spill the beans!"
In a nutshell — in summary; briefly. "In a nutshell, we need more time."
Have a lot on your plate — to have many responsibilities. "I have a lot on my plate this week."
Bring home the bacon — to earn a living. "She works hard to bring home the bacon."
Bread and butter — a person's main source of income.
Cry over spilled milk — to be upset about something that cannot be changed.
Full of beans — very energetic and lively.
Take something with a grain of salt — to not take something too seriously.

Weather and Nature Idioms

Under the sun — in the world; in existence. "We talked about everything under the sun."
Weather the storm — to survive a difficult period. "The company weathered the economic storm."
A breath of fresh air — something new and refreshing. "Her ideas were a breath of fresh air."
Break the ice — to relieve tension in a social situation.
Every cloud has a silver lining — there is something good in every bad situation.
Tip of the iceberg — a small, visible part of a much larger problem.

Color Idioms

See red — to become very angry. "I saw red when I found out what happened."
Out of the blue — unexpectedly. "The news came completely out of the blue."
Black and white — very clear; simple. "The rules are black and white."
In the red — in debt or losing money.
Golden opportunity — an excellent chance.
Green light — permission to proceed.
White lie — a harmless or small lie.
Grey area — something unclear or ambiguous.

Fascinating Idiom Origins

Many English idioms have fascinating etymological origins that reveal aspects of history and culture:

"Bite the bullet" (endure a painful situation bravely): Believed to originate from the practice of having patients bite on a bullet during surgery before anesthesia was available.
"Turn a blind eye": Attributed to Admiral Horatio Nelson, who reportedly put a telescope to his blind eye to avoid seeing a signal to withdraw from battle at Copenhagen in 1801.
"The whole nine yards": Various contested origins, including the length of ammunition belts in World War II aircraft and the length of fabric needed for a complete suit.
"Let the cat out of the bag": Possibly from medieval markets where piglets were sold in bags. Dishonest sellers might substitute a cat; opening the bag revealed the fraud.
"Break a leg": The origin of this theatrical good-luck phrase is debated. One theory involves the superstitious belief that wishing someone luck would actually bring bad luck, so the opposite was wished instead.

Tips for Learning English Idioms

Learn in context. Always learn idioms with example sentences and notes about the situations where they are used.
Group by theme. Organizing idioms by topic (emotions, work, time) makes them easier to remember and retrieve.
Note register. Some idioms are informal and inappropriate for formal writing. Others are neutral. Know the register before using an idiom.
Do not translate literally. Idioms rarely translate word-for-word into other languages. Learn each one as a complete expression.
Start with the most common. Focus on the most frequently used idioms first, then expand gradually.
Listen for idioms. Pay attention to idiomatic expressions in movies, TV shows, podcasts, and conversations. This builds familiarity with how they sound in natural speech.
Use them carefully. Use an idiom only when you are confident about its meaning and register. Misusing an idiom is more noticeable than not using one.