Vocabulary What does できもの (dekimono) mean? できもの means boil, lump, rash. Quick factsReadingできものRomajidekimonoLevel (estimated, JLPT framework)N1 できものできものN1 · estimated, JLPT frameworkdekimonoboil, lump, rashExample sentences背中(せなか)にできものができた。A boil formed on my back.顔(かお)にできものができて困(こま)っている。I'm troubled by a blemish that appeared on my face.