monthly 2022.12.06 monthlyとは 意味・定義・例文 Adjective 形容詞 1. appearing, happening, or done every month 毎月の, 月毎の a monthly staff meeting 2. appearing, happening, or done once a month 月1回の Adverb 副詞 1. every month 毎月 2. once a month 月1回 I pay for the parking monthly.