irrational motive

English Thesaurus

1. a motivation that is inconsistent with reason or logic (noun.motive)

hypernym	:	motivation, motive, need,
definition	:	the psychological feature that arouses an organism to action toward a desired goal; the reason for the action; that which gives purpose and direction to behavior (noun.tops)

hyponym	:	irrational impulse,
definition	:	a strong spontaneous and irrational motivation (noun.motive)

hyponym	:	cacoethes, mania, passion,
definition	:	an irrational but irresistible motive for a belief or action (noun.motive)

hyponym	:	compulsion, obsession,
definition	:	an irrational motive for performing trivial or repetitive actions, even against your will (noun.motive)