Found 2 items, similar to perfectionism.
English → English (WordNet)
Definition: perfectionism
perfectionism
n : a disposition to feel that anything less than perfect is
unacceptable;
“his perfectionism seemed excessive to his
students”
English → English (gcide)
Definition: Perfectionism
Perfectionism
\Per*fec"tion*ism\, n.
The doctrine of the Perfectionists.
[1913 Webster]