Perfectionism

A personality disposition characterized by striving for flawlessness and setting excessively high standards for performance accompanied by tendencies for overly critical evaluations of one’s behaviour. Related to, but distinct from procrastination.

Reference:

Stoeber, Joachim (2018) The psychology of perfectionism: Critical issues, open questions, and future directions. In: Stoeber, Joachim, ed. The psychology of perfectionism: Theory, research, applications. Routledge, London, pp. 333-352. https://kar.kent.ac.uk/59812/