不ふ定てい期き業ぎょう務むMeaningsNoun1. unscheduled taskKanji used不negative定define期period (of time)業business務perform a taskComposed of不ふ定てい期きirregular (schedule, service, etc.); indeterminate (length of time); staggered (payments)Na-adjective業ぎょう務むbusiness; work; operations; service; dutiesNoun