compulsion
noun
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using force to cause something to occur“though pressed into rugby under compulsion I began to enjoy the game”coercion
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an urge to do or say something that might be better left undone or unsaid“I felt a compulsion to babble on about the accident.”
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an irrational motive for performing trivial or repetitive actions, even against your will“They had a compulsion to wash their hands after touching anything.”obsession