虹(にじ) にじ noun rainbow weather 1. rainbow An arc of colors visible in the sky, caused by the refraction and dispersion of sunlight through rain droplets. 雨上(あめあ)がりに虹(にじ)が出(で)た。🔊 A rainbow appeared after the rain stopped. 空(そら)に大(おお)きな虹(にじ)がかかっている。🔊 A large rainbow stretches across the sky. 虹(にじ)を見(み)ると幸(しあわ)せな気持(きも)ちになる。🔊 Seeing a rainbow makes me feel happy. 子(こ)どもたちが虹(にじ)を指(ゆび)さして喜(よろこ)んでいた。🔊 The children were pointing at the rainbow with delight. 夕立(ゆうだち)が止(や)んだ後(あと)、東(ひがし)の空(そら)にきれいな虹(にじ)がかかっていて、みんなで写真(しゃしん)を撮(と)った。🔊 After the evening shower stopped, a beautiful rainbow appeared in the eastern sky, and we all took photos. Common expressions虹(にじ)がかかる (a rainbow appears/spans across)虹(にじ)が出(で)る (a rainbow appears)虹色(にじいろ) (rainbow colors)二重(にじゅう)の虹(にじ) (double rainbow)Cultural noteIn Japan a rainbow is traditionally said to have seven colors: 赤(あか)、橙(だいだい)、黄(き)、緑(みどり)、青(あお)、藍(あい)、紫(むらさき) (red, orange, yellow, green, blue, indigo, violet). core Added 2026.1.13 10:47 · Revised 2026.10.1 17:29 03500/03894_niji