perfectionism
per·fec·tio·nism
noun
1.
a disposition to feel that anything less than perfect is unacceptable
- “his perfectionism seemed excessive to his students”
Origin
From perfection + -ism.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.