List of English Idioms

A list of common English idioms, sortable by starting letter

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Generated image of a man lulled into a false sense of security

Lulled into a false sense of security

To be lulled into a false sense of security means to being made to feel safe and relaxed when danger or problems still exist.

The word lulled comes from lull, meaning to calm or soothe someone, like a lullaby quieting a child. In this phrase, that calm feeling is misleading because the real risk has not gone away.

The quiet weather lulled the hikers into a false sense of security before the storm arrived.

Photo of soldiers lying low

Lying low

Lying low means staying quiet or hidden for a time to avoid trouble until things get better.

The phrase has been used in English for many years and comes from the idea of staying physically low to avoid being seen or targeted. It later became a metaphor for avoiding attention.

After the argument at work, he decided to lie low for a few days.

Generated image of someone making a deal with the devil

Make a deal with the devil

To make a deal with the devil means to accept help or an offer from someone bad or dangerous in order to get something you want. It suggests that the benefit comes with a serious cost or moral problem.

The phrase comes from old stories where a person trades their soul to the devil for power, wealth, or success. People use it when someone chooses a risky or unethical option because it seems useful at the time.

Signing that contract felt like I was about to make a deal with the devil.

Photo of hay bales

Make hay while the sun shines

The idiom make hay while the sun shines draws from farming practices, where you should get as much done as possible at harvest time while the sun is shining, or your hay will spoil from getting wet.
It means that you should take advantage of the good times to get work done.

We have a lot of customers at the moment, let's make hay while the sun shines!

Photo of waves breaking on the shore.

Make waves

To make waves means to cause trouble or disagreement, often by speaking up and challenging how things are normally done.

The phrase comes from the image of calm water being disturbed so that waves form on the surface. It began to be used in the early 1900s to describe actions that create noticeable disruption.

She did not want to make waves on her first day at the new job, so she kept her concerns to herself.

Generated image of a cat making itself at home

Make yourself at home

To make yourself at home means to behave in a relaxed and comfortable way in someone else's place, as if it were your own.

The phrase has been used for a long time as a friendly way for hosts to welcome guests. By telling someone to make themselves at home, the host shows that the visitor is welcome and should feel comfortable there.

The neighbour's cat wandered in through the dog door, jumped onto the couch, and immediately made itself at home.

Photo of a group of people working on a garden

Many hands make light work

Many hands make light work is a phrase that means a task is much easier to complete when you have lots of people helping you.

She needed to clean up after the big party before her parents came home, and made it just in time when everyone pitched in, and many hands made light work.

Generated image of a cleaning woman who means business

Mean business

To mean business means to be serious and determined about what you are saying or doing. When someone means business, they are not joking and expect others to take them seriously.

The phrase has been used in English since the 1800s. It comes from the idea that when someone is dealing with business matters, they are focused and intent on getting results.

When the coach blew the whistle and started the tough training drills, everyone knew she meant business.

Photo of a jigsaw cutting a board

Measure twice, cut once

Measure twice, cut once is a phrase from carpentry and tailoring that reminds you that you should check your measurements and then check them again before you cut, so you do not make a mistake and waste your materials.

Photo of a pet goldfish.

Memory of a goldfish

If you have the memory of a goldfish, it means you have a very short memory or you forget things a lot.

The phrase comes from the common belief that goldfish can only remember things for a few seconds. Although this idea is popular in jokes and everyday speech, real goldfish can actually remember things for much longer.

I forgot where I left my keys again, I must have the memory of a goldfish.