Wiktionary
a. 1 Inclined to perfectionism. 2 Demanding perfection; imposing overly high standards (in attributes such as academic performance)
Usage examples of "perfectionistic".
However, she was willing to guess that he was most likely male, white, over thirty, of average to above-average intelligence, nonpsychotic, probably compulsive and perfectionistic, presenting a neat, clean, unremarkable appearance, probably employed at the present, though possibly with an inconsistent or checkered job history.
Well behaved, conscientious, high goals, achieving but belittles own accomplishments, feels inadequate, may stay perfectionistic or reject parent-imposed ambitions.
Be especially careful if you have any of these personality traits: (a) compulsiveness --perfectionistic, unemotional, over-controlled--because they come unglued when they backslide, (b) dependency--indecisive, clinging--because they go back to drugs when others abandon them, (c) passive-aggressiveness --resistive, procrastinating, blaming--because they drive others away and then can't handle their own anger, (d) self-centeredness --egotistical, pushy--because they don't admit their problems, and (e) rebelliousness --impulsive, antisocial--because they resent anyone offering help.