潔けっ癖ぺき性しょう

noun, noun which may take the genitive case particle 'no'

obsession with cleanliness; fastidiousness

Describes a personality trait of being excessively concerned with cleanliness and order; often used in psychological or everyday contexts.

• 彼かれは潔けっ癖ぺき性しょうで、部屋へやにほこり一ひとつ落おちているのを許ゆるせない。

  He is so fastidious that he can't stand even a single speck of dust in his room.

• 潔けっ癖ぺき性しょうの人ひとは、公こう共きょうのトイレを使つかうのを極きょく端たんに嫌いやがることがある。

  People with an obsession with cleanliness may extremely dislike using public restrooms.