All kook synonyms

noun kook

• screwball — Slang. an eccentric or whimsically eccentric person; a nut.
• crackpot — If you describe someone or their ideas as crackpot, you disapprove of them because you think that their ideas are strange and crazy.
• 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.
• crazy — If you describe someone or something as crazy, you think they are very foolish or strange.
• flake — fake2 (defs 2, 3).
• dingbat — Slang. an eccentric, silly, or empty-headed person.
• crank — If you call someone a crank, you think their ideas or behaviour are strange.
• weirdo — an odd, eccentric, or unconventional person.
• fruitcake — a rich cake containing dried or candied fruit, nuts, etc.
• wacko — Also, wack. an eccentric, strange, or odd person.
• lamebrain — a dunce; booby; fool.