rainbow is a valid English word

Scrabble validity: valid ( international - Sowpods, US - Twl06 )
iScramble validity: valid
QuickWords validity: valid

Meanings

Noun (COUNTABLE)

A multicoloured arch in the sky, produced by prismatic refraction of light within droplets of rain in the air.
Any prismatic refraction of light showing a spectrum of colours.
(often used with “of”) A wide assortment; a varied multitude.
• a rainbow of possibilities

Adjective (NOT COMPARABLE)

Multicolored.
(attributive chiefly US) Made up of several races or ethnicities, or (more broadly) of several cultural or ideological factions.
(attributive) LGBT.

Verb

(transitive) To brighten with, or as with, a rainbow; to pattern with the colours of the rainbow.
(intransitive) To take the appearance of a rainbow.
(climbing) In climbing gyms where the rocks to climb are colored to indicate suggested climbing routes, to climb rocks of different colors, thereby ignoring such routes.

rainbow is a Scrabble valid word

rainbow

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is valid in Scrabble ✔
• 00 points

rainbow is an iScramble, QuickWords valid word

rainbow

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 00 points

Same letters words (Anagrams)

• none

Same letters plus one

• AIRBLOWN
• BRAINBOW
• BROWNIAN
• DRAINBOW
• RAINBOWS
• RAINBOWY

Same letters minus one

• BARONI
• BONAIR
• BORANI
• BORIAN
• NAIBOR
• RABOIN
• ROBINA