Compulsive

[kəm'pʌlsɪv]

(noun.) a person with a compulsive disposition; someone who feels compelled to do certain things.

(adj.) strongly motivated to succeed .

(adj.) caused by or suggestive of psychological compulsion; 'compulsive drinking' .

Checker: Sondra--From WordNet

(a.) Having power to compel; exercising or applying compulsion.

Inputed by Jules