compulsion, irresistible impulse -- (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")
compulsion, obsession -- (an irrational motive for performing trivial or repetitive actions, even against your will; "her compulsion to wash her hands repeatedly")
compulsion, coercion -- (using force to cause something to occur; "though pressed into rugby under compulsion I began to enjoy the game"; "they didn't have to use coercion")
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