Pronunciation: (kum-pul'siv),[key] —adj. 1. compelling; compulsory.
2. Psychol. a. pertaining to, characterized by, or involving compulsion: a compulsive desire to cry. b. governed by an obsessive need to conform, be scrupulous, etc., coupled with an inability to express positive emotions.
—n. Psychol.a person whose behavior is governed by a compulsion.