多忙たぼう Common Noun I-adj Noun English jmdict 1 noun (common) (futsuumeishi) adjectival nouns or quasi-adjectives (keiyodoshi)nouns which may take the genitive case particle 'no' being very busy;busyness たとえ多忙でも彼は来るだろう。 Even if he is busy, he will come.
Shirabe