Thesaurus.com
Dictionary.com
Definitions

mania

[mey-nee-uh, meyn-yuh] / ˈmeɪ ni ə, ˈmeɪn yə /
NOUN
fixation, madness
Synonyms
STRONGEST
craving craze craziness enthusiasm fad fascination frenzy infatuation lunacy obsession passion rage
STRONG
aberration bee bug compulsion delirium derangement desire disorder fancy fetish furor grabber hang-up insanity monomania partiality preoccupation thing tiger
WEAK
ax to grind bee in bonnet bug in ear fixed idea idée fixe on the brain tiger by the tail
Antonyms
STRONGEST
calmness dislike hate indifference
STRONG
balance conformity hatred soundness

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The mania reflects how investors are eager to get a piece of hot AI companies gearing up for potential public offerings in 2026.

From MarketWatch • Mar. 25, 2026

This was also when a mania for natural-history collection swept the nation.

From The Wall Street Journal • Mar. 23, 2026

Cole Smead, CEO and portfolio manager of Smead Capital Management, talked about the mania in American capital expenditure cycles, with hyperscalers spending hundreds of billions of dollars on AI.

From Barron's • Mar. 19, 2026

All this at a time when Hutchcroft was swinging between episodes of mania and depression.

From BBC • Mar. 14, 2026

“Well he hasn’t got religious mania, and he isn’t running around in a circle spouting Gilbert and Sullivan, so I suppose he’s normal.”

From "I, Robot" by Isaac Asimov

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.