頓とん着じゃくTop 30000MeaningsNounSuru verbIntransitive verb1. being concerned about or mindful ofOther readings頓とん着ちゃくKanji used頓immediate着wearPitch accentとんじゃくUsed in vocabulary無む頓とん着じゃくindifferent; unconcerned; nonchalant; unmindful; inattentive; carelessNa-adjective