psycho

psy·cho

noun \ˈsī-(ˌ)kō\

plural psychos

Definition of PSYCHO

: a deranged or psychopathic person —not used technically

— psycho adjective

Examples of PSYCHO

1. He plays a drug-dealing psycho in the movie.
2. <a story based on a real-life psycho who had serious mother-son issues>

Origin of PSYCHO

short for psychopath

First Known Use: 1942

Related to PSYCHO

Synonyms: bug, crackbrain, crazy, fool, fruitcake, head case, loon, loony, maniac, nut, nutcase, nutter [British slang], lunatic, psychopath, sickie, sicko, wacko (also whacko)

Related Words: madman, madwoman; abnormal, deviant; manic-depressive, monomaniac, mythomaniac, neurotic, obsessive, obsessive-compulsive, paranoid, psychoneurotic, psychotic, schizo, schizoid, schizophrene, schizophrenic, sociopath; character, codger, crack, crackpot, crank, eccentric, fantastic (also fantastical), flake, kook, oddball, oddity, original, quiz, screwball, tyke (also tike) [chiefly British], weirdo, zany; case, patient

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Other Psychology Terms

fetish, hypochondria, intelligence, mania, narcissism, neurosis, pathological, psychosis, schadenfreude, subliminal