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nut

When referring to a person, "nut" is informal and can be used either as a lighthearted way to describe someone's obsession (e.g., a "movie nut") or as a mild insult meaning crazy. In technical contexts involving hardware, the term always refers to the female-threaded part that pairs with a bolt. As a verb, "nut" is quite rare and primarily used in specialized mechanical or construction settings.

💬Trò chuyện

🎬Tuesday afternoon, both sitting in the same open-plan office during a tedious team meeting.
Mark

David's honestly such a fitness nut. He just mentioned his 4am spin class.

Mark
Sarah
Sarah

I can't even deal. I'm literally running on fumes here.

💡
Mark uses 'nut' as an informal term for someone with an obsessive interest (fitness). Sarah responds with the idiom 'running on fumes', meaning she is exhausted and has no energy left, highlighting their contrasting levels of vitality.

Ý nghĩa

noun

A fruit consisting of a hard or tough shell around an edible kernel.

"She cracked open a walnut for the salad."

noun

A small metal square or hexagonal piece with a threaded hole, used to tighten a bolt.

"You need a wrench to tighten the nut on this bolt."

noun

An eccentric or foolish person; (informal) someone who is very enthusiastic about a specific interest.

"He is a complete health nut who only eats organic vegetables."

verb (transitive)

To fasten something with a nut.

"The mechanic nutted the bolt securely into place."

Last Updated: May 22, 2026Report an Error