Synonyms and Antonyms of maniac
1
a person judged to be legally or medically insane
- they should permanently put away the maniac who is responsible for these kidnappings
bug, crackbrain, crazy, fool, fruitcake, head case, loon, loony, lunatic, nut, nutcase, nutter [British slang], psycho, psychopath, sickie, sicko, wacko (also whacko)
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, flake, kook, oddball, oddity, original, quiz, screwball, tyke (also tike) [chiefly British], weirdo, zany
case, patient
2
a person with a strong and habitual liking for something
- I'm a maniac for anything flavored with peppermint
addict, aficionado (also afficionado), buff, bug, devotee, enthusiast, fan, fanatic, fancier, fiend, fool, freak, habitué (also habitue), head, hound, junkie (also junky), lover, maven (also mavin), nut, sucker
groupie
admirer, amateur, collector, connoisseur, dilettante
authority, expert
adherent, convert, cultist, disciple, follower, hanger-on, votary
advocate, apostle, backer, champion, evangelist, exponent, friend, patron, promoter, proponent, supporter
partisan (also partizan), zealot
booster, rooter, well-wisher
faddist
