noun, noun which may take the genitive case particle 'no'
fastidiousness; fussiness about cleanliness
Describes a personality trait of being excessively concerned with cleanliness and order; often used in psychological or everyday contexts.
See also: 潔癖
彼は潔癖症で、部屋にほこり一つ落ちているのを許せない。
He is so fastidious that he can't stand even a speck of dust in his room.
潔癖症の人は、公共のトイレを使うのを極端に嫌がることがある。
People with a cleanliness obsession may extremely dislike using public restrooms.
noun
clean-freak
Refers to a person who is a clean-freak; often used colloquially to label someone with obsessive cleanliness habits.
あの人は潔癖症だから、握手するのも嫌がるよ。
That person is such a clean-freak that they even hate shaking hands.