1) 頓用とんよう Parts 頓 用 #273,805 Inflections of 頓用 Class Suru verb Stem Inflected ending ✕ Link copied! とんよう [0] Meaning Shirabe Noun No-adjective Suru verb Transitive verb single use; single dose; one-off use Kanji 頓 トン suddenly, immediately, in a hurry 用 ヨウ utilize, business, service Forms 頓用#273,805頓用とんようとんようとんよう