red 2022.12.06 redとは 意味・定義・例文 Adjective 形容詞 1. having the color of blood; of a reddish brown color 赤色の The leaves of the trees have turned red. Noun 名詞 1. the color of blood; a reddish brown color 赤, 赤色, 緋色, 朱色 Red suits you.