けが
kegasu

Godan Verb (su)

1. to pollute; to contaminate; to soil; to make dirty; to stain

Transitive
その ほん よごさないように あつかってくれるなら、貸 してあげるよ。
sono hon'o yogosanai yōni atsukatte kurerunara kashite ageruyo.
You may borrow this book as long as you keep it clean.
Godan Verb (su)

2. to disgrace; to dishonour; to dishonor; to defile

Transitive
あんな行動 こうどう かれ体面 たいめん よごすものだ。
anna kōdōwa kareno taimen'o kegasu monoda.
Such behavior is beneath his dignity.
Other forms: