Your breath is the air that you let out through your mouth when you breathe. If someone has bad breath, their breath smells unpleasant.

When you take a breath, you breathe in once.

If you say that there is not a breath of wind or air, you are emphasizing that there is no wind and the air is very still.

A breath of something, is a small amount of it.

If you go outside for a breath of fresh air or for a breath of air, you go outside because it is unpleasantly warm indoors.

If you describe something new or different as a breath of fresh air, you mean that it makes a situation or subject more interesting or exciting.

When you get your breath back after doing something energetic, you start breathing normally again.

When you catch your breath while you are doing something energetic, you stop for a short time so that you can start breathing normally again.

If something makes you catch your breath, it makes you take a short breath of air, usually because it shocks you.

If you do not have time to draw breath, you do not have time to have a break from what you are doing.

If you hold your breath, you make yourself stop breathing for a few moments, for example because you are under water.

If you say that someone is holding their breath, you mean that they are waiting anxiously or excitedly for something to happen.

If you say that you won't hold your breath, you mean that you do not expect something to happen even though someone has suggested that it might.

When someone takes their last breath, they die.

If you are out of breath, you are breathing very quickly and with difficulty because you have been doing something energetic.

You can use in the same breath or in the next breath to indicate that someone says two very different or contradictory things, especially when you are criticizing them.

If you are short of breath, you find it difficult to breathe properly, for example because you are ill. You can also say that someone suffers from shortness of breath .

If you say that something takes your breath away, you are emphasizing that it is extremely beautiful or surprising.

If you say something under your breath, you say it in a very quiet voice, often because you do not want other people to hear what you are saying.

If someone says you are wasting your breath, they mean that the person you are talking to will not take any notice and so there is no point saying anything to them.