Dull
Dull adjective - Lacking intensity of color.
Usage example: that canvas shirt should fade to an attractive, dull red over time
Rainbow
Rainbow adjective - Marked by a variety of usually vivid colors.
Usage example: the rainbow costumes worn by mummers at Mardi Gras
Both words in one sentence
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There was an awful rainbow once in heaven: We know her woof, her texture; she is given In the dull catalogue of common things.
Source: Measuring the Marigolds -
Take Joy, and not only will the dull, dreary coloration become far more vibrant, but you can even see a double rainbow in the sky.
Source: Video Game / We Happy Few - Futilists, on the other hand, see white as representing all the colors of the rainbow rendered boring and dull together.
Source: Color Motif
Cite this Source
Rainbow and Dull. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/dull/rainbow
Dull & Rainbow. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/dull/rainbow>.
Rainbow or Dull. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/dull/rainbow.
Google Ngram Viewer shows how "dull" and "rainbow" have occurred on timeline