<p><strong>Adjective</strong></p><ul><li>compelling</li><li>compulsory</li><li>pertaining to, characterized by, or involving compulsion: a compulsive desire to cry</li><li>governed by an obsessive need to conform, be scrupulous, etc., coupled with an inability to express positive emotions</li></ul><p><strong>Noun</strong></p><ul><li>a person whose behavior is governed by a compulsion</li></ul>