irrational motive - a motivation that is inconsistent with reason or logic

agromania - an intense desire to be alone or out in the open

dipsomania, potomania, alcoholism - an intense persistent desire to drink alcoholic beverages to excess

egomania - an intense and irresistible love for yourself and concern for your own needs

kleptomania - an irresistible impulse to steal in the absence of any economic motive

logomania, logorrhea - pathologically excessive (and often incoherent) talking

monomania, possession - a mania restricted to one thing or idea

necromania, necrophilia, necrophilism - an irresistible sexual attraction to dead bodies

phaneromania - an irresistible desire to pick a superficial body parts (as in obsessive nail-biting)

pyromania - an uncontrollable desire to set fire to things

trichotillomania - an irresistible urge to pull out your own hair

affective disorder, emotional disorder, emotional disturbance, major affective disorder - any mental disorder not caused by detectable organic abnormalities of the brain and in which a major disturbance of emotions is predominant

delirium, frenzy, hysteria, craze, fury - state of violent mental agitation