Colourless
Colourless adjective - Weak in color; not colorful.
Colorless is a synonym for colourless. In some cases you can use "Colorless" instead an adjective "Colourless".
Colorless
Colorless adjective - Weak in color; not colorful.
Mutual synonyms
Related pairs
Cite this Source
Colorless and Colourless. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/colourless/colorless
Colourless & Colorless. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/colourless/colorless>.
Colorless or Colourless. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/colourless/colorless.
Google Ngram Viewer shows how "colourless" and "colorless" have occurred on timeline