noun

1. Rare a withdrawal
2. a sudden, complete, and violent change of feeling; abrupt, strong reaction in sentiment
3. extreme disgust, shock, or repugnance; feeling of great loathing

Etymology: < Fr or L; Fr révulsion < L revulsio < revulsus, pp. of revellere, to pluck away < re-, back + vellere, to pull < IE base *wel-, to snatch, seize, injure > OE wol, pestilence, ON valr, the slain on the battlefield