Idioms help you sound more natural in English. They make your speaking clear, strong, and confident. This dictionary is made for idioms learners. You can search any idiom easily. You can also learn idioms from A to Z. Topics are simple too, such as daily life, work, money, time, emotions, relationships, health, travel, nature, and weather.
Each idiom has a simple meaning. It also has a clear definition. You will also see an easy sentence for real conversation. The goal is not to memorize everything at once. Learn a few idioms daily. Read the sentence. Understand the meaning. Then try to use the idiom when you speak.
This dictionary helps you build better vocabulary. It also helps you understand English expressions faster. Use it daily and improve your idioms step by step.
sacred cow
something that is regarded by some people with such respect and veneration that they don’t like it being criticized by anyone in any way. (From the fact that the cow is regarded as sacred in India.)
University education is a sacred cow in the Smith family. Fred is regarded as a failure because he left school at sixteen.
sell someone or something short
to underestimate someone or something; to fail to see the good qualities of someone or something.
This is a very good restaurant. Don’t sell it short.
show oneself in one’s true colours
to show what one is really like or what one is really thinking.
Jane always pretends to be sweet and gentle, but she showed herself in her true colours when she lost the match.
sink or swim
fail or succeed.
After I’ve studied and learned all I can, I have to take the test and sink or swim.
sit on one’s hands
to do nothing; to fail to help.
When we needed help from Mary, she just sat on her hands.
stack the cards (against someone or something)
to arrange things against someone or something; to make it difficult for someone to succeed. (Informal. Originally from card-playing. Usually in the passive.)
I can’t make any progress at my office. The cards are stacked against me.
steal someone’s thunder
to prevent someone from receiving the public recognition expected upon the announcement of an achievement, by making the announcement in public before the intended receiver of the recognition can do so.
I stole Mary’s thunder by telling her friends about Mary’s engagement to Tom before she could do so herself.
steal the show
to give the best or most popular performance in a show, play, or some other event; to get attention for oneself.
The lead in the play was very good, but the butler stole the show.
step into dead men’s shoes and fill dead men’s shoes
to take over the job or position of someone who has died; to gain an advantage by someone’s death.
The only hope of promotion in that firm is to step into dead men’s shoes.
strike while the iron is hot
to do something at the best possible time; to do something when the time is ripe.
He was in a good mood, so I asked for a loan of £200. I thought I’d better strike while the iron was hot.
How To Use Idioms Dictionary
- You can use this dictionary in different ways. Start with the idioms you hear often in movies, conversations, or online posts. Search them here and understand their real meaning. Then read the example sentence and try to speak your own sentence.
- You can also learn idioms by topic. Choose daily life idioms for normal conversation. Choose work and business idioms for office English. Choose money, time, emotion, relationship, health, travel, nature, and weather idioms to improve your topic-based vocabulary.
- A good way to learn is to save your favorite idioms in a notebook. Write the idiom, its meaning, and your own sentence. Review them after a few days. This will help you remember them better.
- Do not use idioms everywhere. Use them only when they fit the situation. The goal is to sound natural, not forced.
- Keep learning slowly. A few useful idioms daily can improve your English speaking a lot.
Here’s a separate section for kids: 100 Common Idioms for Kids
FAQs about Idioms Dictionary
An idiom is a group of words with a special meaning. You cannot always understand it by translating each word.
Type the full idiom or any main word in the search box. The dictionary will show matching idioms with meaning and sentence.
Start with a few idioms daily. Read the meaning, understand the sentence, and try to make your own sentence.
Yes. You can learn idioms by topics like daily life, work, money, time, emotions, relationships, health, travel, nature, and weather.
Yes. The meanings and sentences are written in simple English, so beginners can understand and practice easily.
Idioms help you sound more natural in English. Use them in the right situation to make your speaking more confident.
No. Use idioms only when they fit the situation. The goal is to sound natural, not forced.




