Synonyms of nut case

Noun

1. crackpot, crank, nut, nut case, fruitcake, screwball, eccentric, eccentric person, flake, oddball, geek

usage: a whimsically eccentric person

Noun

1. crackpot, crank, nut, nut case, fruitcake, screwball, eccentric, eccentric person, flake, oddball, geek

usage: someone deranged and possibly dangerous