hair
♦♦ hair /h'eər/ (hairs)
1 [N-VAR] usu supp N
Your hair is the fine threads that grow in a mass on your head.
I wash my hair every night...
...a girl with long blonde hair...
I get some grey hairs but I pull them out.
2 [N-VAR]
Hair is the short, fine threads that grow on different parts of your body.
The majority of men have hair on their chest...
It tickled the hairs on the back of my neck.
3 [N-VAR]
Hair is the threads that cover the body of an animal such as a dog, or make up a horse's mane and tail.
I am allergic to cat hair.
...dog hairs on the carpet.
4 [PHRASE] V inflects
If you let your hair down, you relax completely and enjoy yourself.
...the world-famous Oktoberfest, a time when everyone in Munich really lets their hair down.
5 [PHRASE] V inflects
Something that makes your hair stand on end shocks or frightens you very much.
This was the kind of smile that made your hair stand on end.
6 [PHRASE]
If you say that someone has not a hair out of place, you are emphasizing that they are extremely smart and neatly dressed.
She had a lot of make-up on and not a hair out of place.
7 [PHRASE] V inflects
If you say that someone faced with a shock or a problem does not turn a hair, you mean that they do not show any surprise or fear, and remain completely calm.
No one seems to turn a hair at the thought of the divorced Princess marrying.
8 [PHRASE] V inflects
If you say that someone is splitting hairs, you mean that they are making unnecessary distinctions between things when the differences between them are so small they are not important.
Don't split hairs. You know what I'm getting at.bad hair day (bad hair days)
[N-COUNT] usu sing
People sometimes say they are having a bad hair day when they do not feel very happy or relaxed, especially because their hair does not look good. (INFORMAL)
All this fuss is because Carol is having a bad hair day.hair care
also haircare
[N-UNCOUNT]
Hair care is all the things people do to keep their hair clean, healthy-looking, and attractive.
...an American maker of hair-care products.hair shirt (hair shirts)
1 [N-COUNT]
A hair shirt is a shirt made of rough uncomfortable cloth which some religious people used to wear to punish themselves.
2 [N-COUNT]
If you say that someone is wearing a hair shirt, you mean that they are trying to punish themselves to show they are sorry for something they have done.
No one is asking you to put on a hair shirt and give up all your luxuries.hair's breadth
[N-SING] a N
A hair's breadth is a very small degree or amount.
The dollar fell to within a hair's breadth of its all-time low...
1 [N-VAR] usu supp N
Your hair is the fine threads that grow in a mass on your head.
I wash my hair every night...
...a girl with long blonde hair...
I get some grey hairs but I pull them out.
2 [N-VAR]
Hair is the short, fine threads that grow on different parts of your body.
The majority of men have hair on their chest...
It tickled the hairs on the back of my neck.
3 [N-VAR]
Hair is the threads that cover the body of an animal such as a dog, or make up a horse's mane and tail.
I am allergic to cat hair.
...dog hairs on the carpet.
4 [PHRASE] V inflects
If you let your hair down, you relax completely and enjoy yourself.
...the world-famous Oktoberfest, a time when everyone in Munich really lets their hair down.
5 [PHRASE] V inflects
Something that makes your hair stand on end shocks or frightens you very much.
This was the kind of smile that made your hair stand on end.
6 [PHRASE]
If you say that someone has not a hair out of place, you are emphasizing that they are extremely smart and neatly dressed.
She had a lot of make-up on and not a hair out of place.
7 [PHRASE] V inflects
If you say that someone faced with a shock or a problem does not turn a hair, you mean that they do not show any surprise or fear, and remain completely calm.
No one seems to turn a hair at the thought of the divorced Princess marrying.
8 [PHRASE] V inflects
If you say that someone is splitting hairs, you mean that they are making unnecessary distinctions between things when the differences between them are so small they are not important.
Don't split hairs. You know what I'm getting at.bad hair day (bad hair days)
[N-COUNT] usu sing
People sometimes say they are having a bad hair day when they do not feel very happy or relaxed, especially because their hair does not look good. (INFORMAL)
All this fuss is because Carol is having a bad hair day.hair care
also haircare
[N-UNCOUNT]
Hair care is all the things people do to keep their hair clean, healthy-looking, and attractive.
...an American maker of hair-care products.hair shirt (hair shirts)
1 [N-COUNT]
A hair shirt is a shirt made of rough uncomfortable cloth which some religious people used to wear to punish themselves.
2 [N-COUNT]
If you say that someone is wearing a hair shirt, you mean that they are trying to punish themselves to show they are sorry for something they have done.
No one is asking you to put on a hair shirt and give up all your luxuries.hair's breadth
[N-SING] a N
A hair's breadth is a very small degree or amount.
The dollar fell to within a hair's breadth of its all-time low...