noun
Rare term; 完璧主義 is the common word for perfectionism. 完全癖 may appear in older or more literary contexts, or as a calque.
See also: 完璧主義
彼の完全癖が、かえって仕事の進行を遅らせている。
His perfectionism is actually slowing down the work.
完全癖 means almost the same as 完璧主義, but it's a rarely used expression.