n[
Language: Old English;Origin: hAr]
[U]the mass of things like fine threads that grows on your head
She put on her lipstick and brushed her hair .I must get my hair cut - it's getting very long. You've had your hair done differently.His hair was short and dark.a young woman with short blonde hair Her long wavy hair was tied back with a bow. He's a tall, fair-haired guy.He had a mop of curly black hair .Men are always worrying about losing their hair .She kissed him on the cheek and ruffled his hair .[C]one of the long fine things like thread that grows on people's heads and on other parts of their bodies, or similar things that grow on animals
The cat has left white hairs all over the sofa. I'm starting to get a few grey hairs. I found a hair in my meal.long-haired/short-haired long-haired catsbe tearing/pulling your hair outto be very worried or angry about something, especially because you do not know what to do
Anyone else would have been tearing their hair out trying to work it out.let your hair downinformalto enjoy yourself and start to relax, especially after working very hard
The party gave us all a chance to really let our hair down.bad hair daya day when your hair does not look tidy or neat even when you try to arrange it carefully - used humorously
I'm having a bit of a bad hair day .keep your hair onBrE spoken used to tell someone to keep calm and not get annoyed
All right, all right, keep your hair on! I'm sorry.get in sb's hairinformalto annoy someone, especially by always being near them
make sb's hair stand on endto make someone very frightened
make sb's hair curlif a story, experience etc makes your hair curl, it is very surprising, frightening, or shocking
tales that would make your hair curlnot have a hair out of placeto have a very neat appearance
not turn a hairto remain completely calm when something bad or surprising suddenly happens
not harm/touch a hair of/on sb's headto not harm someone in any way
the hair of the dog (that bit you)alcohol that you drink to cure a headache caused by drinking too much alcohol the night before - used humorously
→
have a good/fine/thick etc head of hairathead1 (14)
→
not see hide nor hair ofathide2 (5)
→
split hairsatsplit1 (8)
COLLOCATES for sense 1brush/comb your hairdo your hair (=arrange it in a style)
have/get your hair cut/done (=by a hairdresser)
short/long hairshoulder-length hairfair/blonde hair (=hair that is yellowish-white in colour)
dark hairred/auburn hairalso ginger hairBritish English (=hair that is orangey-brown in colour)
straight/curly hairfrizzy hair (=hair that is tightly curled)
wavy hair (=hair with loose curls)
fine/thick hairlank hair (=hair that is thin, straight, and unattractive)
dark-haired/fair-haired/long-haired etcstrand of hair (=a thin piece of hair)
lock of hair (=a fairly thick piece of hair)
mop of hair (=a large amount of thick untidy hair)
be losing your hair (=be going bald)
run your fingers through your/somebody's hairruffle/tousle somebody's hair (=make it untidy by rubbing your hand through it)
HINT sense 1When you mean 'all the hair on a person's head',
hair is an uncountable noun:
He has black hair (NOT He has black hairs).