Nuts | Definition of nuts by Merriam-Webster

Full Definition of NUTS

1

: enthusiastic, keen <nuts for animals and children — Rick Reilly>

2

: insane, crazy <said that it was a novel and all the people who said otherwise were nuts — Flannery O'Connor>

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1785

Synonyms: balmy, barmy [chiefly British], bats, batty, bedlam, bonkers, brainsick, bughouse [slang], certifiable, crackbrained, cracked, crackers, crackpot, cranky [dialect], crazed, crazy, cuckoo, daffy, daft, demented, deranged, fruity [slang], gaga, haywire, kooky (also kookie), loco [slang], loony (also looney), loony tunes (or looney tunes), lunatic, mad, maniacal (also maniac), mental, meshuga (or meshugge also meshugah or meshuggah), moonstruck, non compos mentis, insane, nutty, psycho, psychotic, scatty [chiefly British], screwy, unbalanced, unhinged, unsound, wacko (also whacko), wacky (also whacky), wud [chiefly Scottish]

1

: enthusiastic about or interested in something <She was nuts about horror movies.>

2

: crazy 1 <All this noise is going to make me nuts.>

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