Rainbow and Unbrilliant

Opposite meaning words

Rainbow adjective - Marked by a variety of usually vivid colors.

Usage example: the rainbow costumes worn by mummers at Mardi Gras

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Unbrilliant is an antonym for rainbow.

Definitions of Rainbow not found.

Rainbow is an antonym for unbrilliant.

Cite this Source

Unbrilliant and Rainbow. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/rainbow/unbrilliant

Rainbow & Unbrilliant. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/rainbow/unbrilliant>.

Unbrilliant or Rainbow. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/rainbow/unbrilliant.

Google Ngram Viewer shows how "rainbow" and "unbrilliant" have occurred on timeline