An irrational need or irresistible urge to perform some action, often despite negative consequences. / The use of authority, influence, or other power to force (compel) a person or persons to act.

plural of compulsion

Uncontrolled or reactive and irresistible. / Having power to compel; exercising or applying compulsion.

One who exhibits compulsive behaviours.

the state of being compulsive

In a compulsive manner; obsessively.

plural of compulsive

To force, constrain, or obligate. / To behave in a compulsive manner.

plural of compulsivity

compulsion