crackpot

Plural: crackpots

Noun

• An eccentric or insane person with outlandish ideas.
• a whimsically eccentric person
• An eccentric, crazy or foolish person.
• Someone addicted to crack cocaine (i.e. a drug addict).

Adj

• Eccentric or impractical.

Examples

• a crackpot idea
• His CRACKPOT theory about always saving ’S’ tiles rarely worked in Words With Friends.
• Time will tell whether he is a crackpot or a genius for promoting that sort of idea.

Synonyms

crank, fruitcake, nut, nut case, screwball, abuser, addict, basket case, basket weaver, bizarro, coot, crack, crack whore, crackhead, crackpot, crazy, crazyhead, dingbat, eccentric, fiend, freak, fruit and nut case, fruit cake, fruit loop, fruitloop, glaik, hard case, head case, impractical, kook, live one, loony, loony tune, lunatic, madcap, madhead, mental case, nut ball, nutbag, nutbar, nutburger, nutcase, nutjob, nutter, odd bod, odd duck, odd fish, oddball, oddity, psycho, psychoceramic, queer fish, queerdo, rum, schizo, slave, space cadet, space case, space pilot, strange bird, strange fish, strangeling, unconventional, wack, wackadoo, wackadoodle, wacko, wastoid, weirdie, weirdling, weirdo, whackjob, whacko, wild man, wingnut