- National Union of Teachers
Collins Concise English Dictionary © HarperCollins Publishers::
NUT abbreviation for (in Britain)
nut /nʌt/USA pronunciation
n.
WordReference Random House Unabridged Dictionary of American English © 2026- [countable]
- Food, Botanya dry fruit made up of a kernel that may be eaten, and enclosed in a woody or leathery shell.
- Botanythe kernel itself.
- Botanya hard, one-seeded fruit, as the chestnut or the acorn.
- a block, usually of metal, made with a threaded hole so that it can be screwed down on a bolt to hold together objects through which the bolt passes.
- Slang Termsa person who is greatly interested in or enthusiastic about something;
devotee:She's a sports nut. - Slang Terms
- a foolish, silly, or eccentric person.
- an insane person.
- a hard or tough nut to crack:
- Idiomsa difficult problem:Getting a tax refund this year is going to be a tough nut to crack.
- Idiomsa person difficult to understand or convince.
nut
(nut),USA pronunciation n., v., nut•ted, nut•ting.
n.
v.i.
nut′like′, adj.
Nut (no̅o̅t),USA pronunciation n. [Egyptian Relig.]
N.U.T., [Brit.]
n.
- Food, Botanya dry fruit consisting of an edible kernel or meat enclosed in a woody or leathery shell.
- Botanythe kernel itself.
- Botanya hard, indehiscent, one-seeded fruit, as the chestnut or the acorn.
- any of various devices or ornaments resembling a nut.
- a block, usually of metal and generally square or hexagonal, perforated with a threaded hole so that it can be screwed down on a bolt to hold together objects through which the bolt passes.
- Slang Termsthe head.
- Slang Terms
- a person who is very enthusiastic about something;
buff;
enthusiast;
devotee:He's a real circus nut. - an extremely concerned or zealous person:My boss is a nut on double-checking everything.
- a person who is very enthusiastic about something;
- Slang Terms
- a foolish, silly, or eccentric person.
- [Offensive.]an insane person;
psychotic.
- Slang Terms(vulgar). a testis.
- Show Business, Informal Terms[Informal.]
- the operating expenses, usually figured weekly, of a theatrical production or other commercial enterprise;
a break-even point. - the total cost of producing a theatrical production or of forming and opening any new business venture.
- the operating expenses, usually figured weekly, of a theatrical production or other commercial enterprise;
- Music and Dance(in instruments of the violin family)
- the ledge, as of ebony, at the upper end of the fingerboard, over which the strings pass.
- the movable piece at the lower end of the bow, by means of which the hairs may be slackened or tightened.
- Printingen (def. 2).
- Idioms from soup to nuts. See soup (def. 6).
- hard nut to crack:
- Idiomsa problem difficult to solve;
a formidable undertaking. - Idiomsa person difficult to know, understand, or convince. Also, tough nut to crack.
- Idiomsa problem difficult to solve;
- Slang Terms off one's nut:
- Idioms[Sometimes Offensive.]foolish, silly, or insane.
- Idiomsconfused;
unreasonable. - Idiomsmistaken or wrong:You're off your nut if you think such a plan can succeed.
v.i.
- to seek for or gather nuts:to go nutting in late autumn.
- bef. 900; 1900–05 for def. 8b; Middle English nute, Old English hnutu; cognate with Dutch noot, German Nuss, Old Norse hnot; akin to Latin nux
Nut (no̅o̅t),USA pronunciation n. [Egyptian Relig.]
- Eastern Religionsthe goddess of the sky, sometimes shown as a cow bearing Ra on her back and the stars on her underside.
N.U.T., [Brit.]
- British TermsNational Union of Teachers.
Collins Concise English Dictionary © HarperCollins Publishers::
nut /nʌt/ n
Using an informal word to refer to mental illness, or people who have mental health problems, can be considered highly insensitive and should be avoided
- a dry one-seeded indehiscent fruit that usually possesses a woody wall
- (not in technical use) any similar fruit, such as the walnut, having a hard shell and an edible kernel
- the edible kernel of such a fruit
- slang sometimes jocular a person who behaves in a foolish manner
a slang word for head - do one's nut ⇒ Brit slang to be extremely angry; go into a rage
- off one's nut ⇒ slang
- sometimes jocular foolish in behaviour
- offensive mentally disordered
- a person or thing that presents difficulties (esp in the phrase a toughorhard nut to crack)
- a small square or hexagonal block, usually metal, with a threaded hole through the middle for screwing on the end of a bolt
- Also called (US and Canadian): frog
- the ledge or ridge at the upper end of the fingerboard of a violin, cello, etc, over which the strings pass to the tuning pegs
- the end of a violin bow that is held by the player
another word for en - a small usually gingery biscuit
- Brit a small piece of coal
- (intransitive) to gather nuts
'NUT' also found in these entries (note: many are not synonyms or translations):
acorn
- aid
- argan
- beechnut
- belay
- betel
- bolt
- box spanner
- brazil
- brazil nut
- butterfly nut
- butternut
- candlenut
- cashew
- castellated
- chestnut
- cobnut
- coco
- cola
- cola nut
- comfit
- crack
- dragée
- filbert
- gallnut
- gillyflower
- ginger nut
- hard
- hazelnut
- horse chestnut
- ivory nut
- karyo-
- kernel
- kola nut
- macadamia
- monkey nut
- nougat
- nucleo-
- nucleus
- nutgall
- nuthatch
- nutshell
- nutmeg
- nux vomica
- peanut
- pecan
- pignut
- pine nut
- American chestnut
- amphikaryon