noun Date: circa 1846 1. the doctrine that the perfection of moral character constitutes a person's highest good, the theological doctrine that a state of freedom from sin is attainable on earth, a disposition to regard anything short of perfection as unacceptable, perfectionist noun or adjective perfectionistic adjective
PERFECTIONISM
Meaning of PERFECTIONISM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012