Meaning & use
rainbow
An arc of colors that appears in the sky when sunlight is refracted and reflected by raindrops or mist.
See it in a sentence
After the storm passed, a bright rainbow stretched across the valley from hill to hill.
The festival celebrated a rainbow of cultures, languages, and traditions from around the world.
A note on using this word
Rainbow is often used figuratively to describe a broad, colorful range or variety, as in 'a rainbow of opinions.'
Words with a similar meaning
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