Definition of “nut” - English Dictionary

“nut” in British English

See all translations

nutnoun

uk /nʌt/ us /nʌt/

nut noun (FOOD)

B2 [ C ] the dry fruit of particular trees that grows in a hard shell and can often be eaten:

Sprinkle some roasted chopped nuts on top.

More examples

nut noun (METAL OBJECT)

[ C ] a small piece of metal with a hole in it through which you put a bolt:

Nuts and bolts are used to hold pieces of machinery together.

nut noun (PERSON)

[ C ] informal or offensive a person who behaves in a very silly, stupid, or strange way or an offensive term for a person who is mentally ill:

What kind of nut would leave a car on a railway track?

[ C ] informal someone who is extremely enthusiastic about a particular activity or thing:

James is a tennis nut - he plays every day.
See also

nutverb [ T ]

uk /nʌt/ us /nʌt/ UK informal

(Definition of “nut” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“nut” in American English

See all translations

nutnoun [ C ]

us /nʌt/

nut noun [ C ] (FOOD)

the dry fruit of some trees, consisting of an edible seed within a hard, outer shell, or the seed itself

nut noun [ C ] (METAL OBJECT)

a small ring of metal that a bolt (= screw without a pointed end) can be screwed into to hold something in place:

a wing nut (= a nut with flat edges for turning)

nut noun [ C ] (PERSON)

infml a person who is crazy, foolish, or strange:

What kind of nut would leave a computer in his car overnight with the doors unlocked?

infml A nut is also a person who is extremely enthusiastic about a particular activity or thing:

Joyce is a nut for antiques – we’ve got a house full of them.

(Definition of “nut” from the Cambridge Academic Content Dictionary © Cambridge University Press)