'Compulsive' definitions:

Definition of 'compulsive'

From: WordNet
adjective
Caused by or suggestive of psychological compulsion; "compulsive drinking"
adjective
Strongly motivated to succeed [syn: compulsive, determined, driven]
noun
A person with a compulsive disposition; someone who feels compelled to do certain things

Definition of 'Compulsive'

From: GCIDE
  • Compulsive \Com*pul"sive\, a. Having power to compel; exercising or applying compulsion. [1913 Webster]
  • Religion is . . . inconsistent with all compulsive motives. --Sharp. [1913 Webster]