よだんゆる 予断を許さない Show inflections LinksSentence search for 予断を許さないSentence search for よだんをゆるさないKanji details for 予, 断 and 許Edit in JMdict Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)1. highly unpredictable; touch and go Discussions Log in to talk about this word.