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maniac

ma·ni·ac

maniac

 
pronunciation:
meI ni aek
parts of speech:
noun, adjective
features:
Word Parts
part of speech: noun
definition 1: one who suffers from mania, or from insanity generally. (No longer in scientific use.)
The asylum housed maniacs locked up like prisoners.
synonyms:
lunatic, madman, madwoman, psychopath
similar words:
crazy, kook, nut
definition 2: a wild, violent person, esp. one who attacks or threatens others.
His anger had turned her husband into a maniac, and we were afraid he was going to kill her.
synonyms:
fiend, kook, savage
similar words:
crazy, demon, devil, lunatic, madman, monster
definition 3: one who has an excessive desire or enthusiasm.
She is a maniac for keeping her house clean.
synonyms:
fiend, nut
similar words:
addict, aficionado, buff, demon, enthusiast, fanatic
 
part of speech: adjective
definition: ravingly or violently insane; maniacal.
synonyms:
berserk, frenzied, maniacal, wild
similar words:
crazy, hysterical, lunatic, mad, psychopathic, rabid, raving
Word Parts
The word maniac contains the following parts:
-ac Greek adjective-forming suffix that means in adjectives: of or pertaining to; resembling; in nouns: someone afflicted with;
Show wordsHide wordsMore about this word part:
The suffix -ac attaches to Greek bases ending in the letter "i" to form adjectives and their noun extensions. Many English adjectives ending in -ac are loanwords from Greek via Latin. However, later words such as "dipsomaniac " are new English words modeled on loanwords.