D defs.my
Entry 2 senses Webster, 1913

Perfectionism

/pẽrf-ĕk'-shən-ĭzˌ-əm/ · Per·fec·tion·ism · IPA /pɚˈfɛk.ʃə.nɪ.zm̩/
01 n. The doctrine of the Perfectionists.
  1. 1.
    The doctrine of the Perfectionists.
  2. 2.
    A personal attitude which demands perfection in the results of actions.