いっさい 一歳 LinksSentence search for 一歳Sentence search for いっさいSentence search for 一才Sentence search for １歳Sentence search for １才Kanji details for 一 and 歳Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. one-year-old; one year oldOther forms一才 【いっさい】、１歳 【いっさい】、１才 【いっさい】 Discussions Log in to talk about this word.