以い降こういこうCommon word›JLPTN3›Freq.FrequencyTop 2,000じ字FuriganaAudioMeanings1noun, adverbon and after; from ... onward; sinceUsed after a time or event noun to mean 'from that point forward'. Common in formal and written contexts.来らい月げつ以い降こうの予よ定ていを確かく認にんしてください。Break this sentence down in the analyzerPlease check the schedule for next month onward.この日ひ以い降こう、彼かれは一いち度ども遅ち刻こくしていない。Break this sentence down in the analyzerSince that day, he has never been late.See all 62 example sentences ›Usage patterns〈時とき〉以い降こうfrom (a certain time) onward来らい月げつ以い降こう、値ね段だんが上あがります。Break this sentence down in the analyzerPrices will go up from next month onward.〈事こと〉以い降こうsince (an event happened)引ひっ越こし以い降こう、忙いそがしくなった。Break this sentence down in the analyzerI've been busy since the move.〈数すう〉歳さい以い降こうfrom age ... onward20歳さい以い降こうは自じ分ぶんで税ぜい金きんを払はらわなければならない。Break this sentence down in the analyzerFrom age 20 onward, you have to pay taxes yourself.