rainbows

Noun

rainbow (plural rainbows)

1. A multicoloured arch in the sky, produced by prismatic refraction of light within droplets of rain in the air.
   • Why are there so many songs about rainbows
     And what's on the other side?
     Rainbows are visions, but only illusions
     And rainbows have nothing to hide.1979, Paul Williams, Kenneth Ascher, “Rainbow Connection”, performed by Kermit the Frog (Jim Henson)

   Synonyms:

   iris

2. Any prismatic refraction of light showing a spectrum of colours.

   Synonyms:

   spectrum

3. (often) A wide assortment; a varied multitude.
   • a rainbow of possibilities
4. (figuratively) An illusion; a mirage.
   • Many electoral promises are rainbows, vanishing soon after poll day.
5. A curveball, particularly a slow one.
6. A trick in which the player makes the ball arc over the opponent's head using both feet; rainbow kick

See all 21 meanings of rainbow