いっさい 一才 LinksSentence search for 一才Sentence search for いっさいSentence search for 一歳Sentence search for 1才Sentence search for 1歳Kanji details for 一 and 才Edit in JMdict Noun1. one-year-oldOther forms一歳 【いっさい】、1才 【いっさい】、1歳 【いっさい】 Discussions Log in to talk about this word.