1. An irresistible urge to behave in a certain way, especially against one's conscious wishes
She felt a compulsion to check the door lock repeatedly.
Ela sentia uma compulsão de verificar a fechadura da porta repetidamente.
2. The action or state of forcing or being forced to do something; coercion
He signed the contract under compulsion.
Ele assinou o contrato sob compulsão.
3. A constraint or pressure that compels someone to act in a particular way
There was no legal compulsion to attend the meeting.
Não havia compulsão legal para comparecimento à reunião.