1. an urge to do or say something that might be better left undone or unsaid; - Example: "he felt a compulsion to babble on about the accident" [syn: compulsion, irresistible impulse]
WordNet (r) 3.0 (2006):
irresistible impulse
n 1: an urge to do or say something that might be better left
undone or unsaid; "he felt a compulsion to babble on about
the accident" [syn: compulsion, irresistible impulse]