sicko

sicko

noun \ˈsi-(ˌ)kō\

plural sick·os

Definition of SICKO

: a person who is mentally or morally sick

— sicko adjective

Examples of SICKO

1. She was afraid to walk alone for fear some sicko might be lurking in the shadows.
2. <some sicko kidnapped and murdered as many as a dozen young women>

First Known Use of SICKO

1963

Related to SICKO

Synonyms

bug, crackbrain, crazy, fool, fruitcake, head case, loon, loony, maniac, nut, nutcase, nutter [British slang], psycho, psychopath, sickie, lunatic, 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