maniaEnglishOxford American Thesaurusmania noun 1 she suffered from fits of mania: madness, derangement, dementia, insanity, lunacy, dementedness, psychosis, schizophrenia, mental illness, delirium, frenzy, hysteria, raving, violence, wildness. 2 he has a mania for gadgets: obsession, compulsion, fixation, fetish, fascination, preoccupation, passion, enthusiasm, desire, urge, craving, craze, fad, rage; informal thing, yen; rare cacoethes.