nuts

American  

[nuhts] / nʌts /

interjection

1. Also nertz. (used to express disgust, defiance, disapproval, despair.)

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adjective

1. insane; crazy.

idioms

1. be nuts about,

   1. to be extremely or excessively enthusiastic about; be fervent in one's admiration of.

      Both of them are nuts about chamber music.

   2. to be deeply in love with.

      He's nuts about his new girlfriend.

nuts British  

/ nʌts /

adjective

1. a slang word for insane

2. slang extremely fond (of) or enthusiastic (about)

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interjection

1. slang an expression of disappointment, contempt, refusal, or defiance

plural noun

1. a slang word for testicles See testicle

Etymology

Origin of nuts

First recorded in 1900–05; plural of nut

Example Sentences

Protein-rich snacks include some yoghurts, boiled eggs and nuts.

From BBC • Jun. 8, 2026

On a nuts and bolts level, it’s all screwed together tight, even the pieces that stick out at weird angles.

From Los Angeles Times • Jun. 4, 2026

Lesley Burnside, whose 15-year-old son Joe has severe allergies to eggs, nuts and legumes, said the pressure does not ease as children move through the school system.

From BBC • Jun. 1, 2026

“Clever crows” in Japan, he notes, “touch down on the road and place their nuts directly in front of the tires of vehicles stopped at red lights” to crack them.

From The Wall Street Journal • May 22, 2026

Owen’s mom’s brownies were legendary among the kids in town, made with caramel, nuts, and crushed pretzels.

From "Two Degrees" by Alan Gratz

Related Words

• batty
• insane
• mad
• nutty