All wacko synonyms
wack·o
W w noun wacko
- crackpot — If you describe someone or their ideas as crackpot, you disapprove of them because you think that their ideas are strange and crazy.
- crank — If you call someone a crank, you think their ideas or behaviour are strange.
- crazy — If you describe someone or something as crazy, you think they are very foolish or strange.
- dingbat — Slang. an eccentric, silly, or empty-headed person.
- flake — fake2 (defs 2, 3).
- fruitcake — a rich cake containing dried or candied fruit, nuts, etc.
- lunatic — (no longer in technical use; now considered offensive) an insane person.
- nut — the goddess of the sky, sometimes shown as a cow bearing Ra on her back and the stars on her underside.
- screwball — Slang. an eccentric or whimsically eccentric person; a nut.
- weirdo — an odd, eccentric, or unconventional person.
- lamebrain — a dunce; booby; fool.
- eccentric — deviating from the recognized or customary character, practice, etc.; irregular; erratic; peculiar; odd: eccentric conduct; an eccentric person.
- kook — an eccentric, strange, or foolish person.
- maniac — Mathematical Analyzer, Numerical Integrator and Computer
- oddball — a person or thing that is atypical, bizarre, eccentric, or nonconforming, especially one having beliefs that are unusual but harmless.
- insane — not sane; not of sound mind; mentally deranged.
- fool — to trick, deceive, or impose on: They tried to fool him.
- loony — lunatic; insane.
- madman — a person who is or behaves as if insane; lunatic; maniac.
- madwoman — a woman who is or behaves as if insane.
- nut case — a deranged person; lunatic.