rainbowed

From rainbow +‎ -ed.

rainbowed (comparative more rainbowed, superlative most rainbowed)

1. Resembling, involving, or illuminated with a rainbow; patterned with the colours of the rainbow.
2. (chiefly US, rare) Made up of several races or ethnicities; rainbow.
   • 2003 October 10, Marvin Edwards, “Re: Affirmative Action”, in alt.religion.unitarian-univ‎ (Usenet):

     [> You may come to the point where you're accepted within the culture but you'll be racially different and never truly integrated. <]
     Depends upon how rainbowed the culture is. Here in America we're very rainbowed, such that the cultural norm is respect for differences.

rainbowed

1. simple past and past participle of rainbow