noun
Refers to the attitude or belief that everything must be perfect. Often used in psychological or everyday contexts. Compare 完璧主義, which is more common and emphasizes flawlessness.
See also: 完璧主義
彼の完全主義が、プロジェクトの進行を遅らせている。
His perfectionism is delaying the project's progress.
完全主義は時にストレスの原因になる。
Perfectionism can sometimes be a source of stress.