Colourless
Colourless adjective - Weak in color; not colorful.
Dun and colourless are semantically related. In some cases you can use "Dun" instead an adjective "Colourless".
Dun
Dun adjective - Of a dull greyish brown to brownish grey color.
Colourless and dun are semantically related. Sometimes you can use "Colourless" instead an adjective "Dun".
Cite this Source
Dun and Colourless. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/colourless/dun
Colourless & Dun. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/colourless/dun>.
Dun or Colourless. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/colourless/dun.
Google Ngram Viewer shows how "colourless" and "dun" have occurred on timeline