Colourless
Colourless adjective - Weak in color; not colorful.
Humdrum and colourless are semantically related. in middle-of-the-road topic. In some cases you can use "Humdrum" instead an adjective "Colourless".
Humdrum
Humdrum adjective - Causing weariness, restlessness, or lack of interest.
Colourless and humdrum are semantically related. Sometimes you can use "Colourless" instead an adjective "Humdrum".
Mutual synonyms
Cite this Source
Humdrum and Colourless. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/colourless/humdrum
Colourless & Humdrum. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/colourless/humdrum>.
Humdrum or Colourless. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/colourless/humdrum.
Google Ngram Viewer shows how "colourless" and "humdrum" have occurred on timeline