com·pul·sion /kəm-'pəl-shən/ n
1: an act of compelling (as by threat or intimidation); specif: coercion
a payment exacted by lawless compulsion — E. A. Farnsworth and W. F. Young
2: the state of being compelled; specif: duress
◇ Compulsion can make a contract voidable or be a ground for damages or restitution. Compulsion may also be a defense to a criminal act.
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.