Synonyms of nuts

1. nut, seed: usage: usually large hard-shelled seed
2. Nut: usage: Egyptian goddess of the sky
3. nut, block: usage: a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt
4. en, nut, linear unit, linear measure: usage: half the width of an em
5. crackpot, crank, nut, nut case, fruitcake, screwball, eccentric, eccentric person, flake, oddball, geek: usage: a whimsically eccentric person
6. addict, nut, freak, junkie, junky, enthusiast, partisan, partizan: usage: someone who is so ardently devoted to something that it resembles an addiction; "a golf addict"; "a car nut"; "a bodybuilding freak"; "a news junkie"
7. testis, testicle, orchis, ball, ballock, bollock, nut, egg, male reproductive gland, gonad, sex gland: usage: one of the two male reproductive glands that produce spermatozoa and secrete androgens; "she kicked him in the balls and got away"

1. balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loony, loopy, nuts, nutty, round the bend, around the bend, wacky, whacky, insane (vs. sane): usage: informal or slang terms for mentally irregular; "it used to drive my husband balmy"