noun
mysophobia; germophobia
A clinical or psychological term for an irrational fear of dirt, germs, or contamination. Often used in medical contexts.
不潔恐怖症の人は、公共のトイレを使うのを極端に怖がることがある。
People with mysophobia may be extremely afraid of using public restrooms.
彼女は不潔恐怖症と診断され、頻繁に手を洗わずにはいられない。
She was diagnosed with germophobia and cannot help washing her hands frequently.