obsessive-compulsive: Meaning and Definition of

ob•ses•sive-com•pul•sive

1. of or pertaining to a personality style characterized by perfectionism, indecision, conscientiousness, concern with detail, rigidity, and inhibition.
2. of or pertaining to a neurosis characterized by persistent intrusion of unwanted thoughts (obsessions) or the performance of actions, as repeated hand-washing, that one is unable to stop (compulsions).

1. a person having such a personality style.