nut

- noun (n)

Meaning: seed of fruit, vegetable

Synonyms: achene caryopsis kernel stone utricle

- noun (n)

Meaning: crazy, overenthusiastic person

Synonyms: bedlamite bigot crackpot crank dement eccentric fanatic ﬁend freak harebrain loony lunatic maniac non compos mentis screwball zealot

Antonyms: sane person