1. (n.) An intense interest, enthusiasm; a craze; a delirium\.

2. (n.) Excessive or unreasonable desire; insane passion affecting one or many people; as, the tulip mania.

aberration abnormality abstraction abulia alienation an universal wolf anxiety anxiety equivalent anxiety state apathy appetence appetency appetite appetition brain damage brainsickness bug catatonic stupor clouded mind compulsion coveting craving craze craziness crazy fancy daftness dejection dementedness dementia depression derangement desire detachment disorientation distraction elation emotionalism enthusiasm euphoria fad fanaticism fancy fascination fixation fixed idea folie folie du doute frenzy furor furore fury hangup hunger hypochondria hysteria hysterics idee fixe indifference infatuation insaneness insanity insensibility irrationality itch itching lethargy loss of mind loss of reason lunacy madness manic-depressive psychosis melancholia mental deficiency mental derangement mental disease mental disorder mental distress mental disturbance mental illness mental instability mental sickness mind overthrown mindsickness obsession oddness overambitiousness overanxiety overanxiousness overeagerness overenthusiasm overzealousness passion pathological indecisiveness pixilation possession preoccupation prurience pruriency psychalgia psychomotor disturbance queerness rabidness rage reasonlessness senselessness sexual desire shattered mind sick mind sickness strangeness stupor thing thirst tic twitching unbalance unbalanced mind unresponsiveness unsaneness unsound mind unsoundness unsoundness of mind urge withdrawal witlessness yearning yen zealotism zealotry