colorless

adjective

col·​or·​less ˈkə-lər-ləs How to pronounce colorless (audio)
Synonyms of colorlessnext
: lacking color: such as
a
: pallid, blanched
a colorless complexion
b
: dull, uninteresting
colorless prose
colorlessly adverb
colorlessness noun

Synonyms of colorless

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Examples of colorless in a Sentence

since we can't decide what color to paint the doghouse, our latest home project remains colorless for the time being page after page of colorless prose without even one neat turn of phrase
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Over 10 days, the solution faded almost to colorless, losing nearly 90 percent of the dye. — Jacek Krywko, ArsTechnica, 15 Oct. 2026 Ketamine is generally sold illegally as either a colorless, odorless liquid or a white or off-white powder. — Christopher P. Holstege, The Conversation, 15 Oct. 2026 Luna 3’s images were eye-opening but still blandly colorless and fuzzy—especially compared with the kaleidoscopic, panchromatic views from Artemis II’s lunar pirouette. — Robin George Andrews, Scientific American, 8 Oct. 2026 The player-exclusive edition featured an all-black upper with a white midsole and colorless translucent outsole. — Ian Servantes, Footwear News, 28 Sep. 2026 See All Example Sentences for colorless

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of colorless was in the 14th century

Browse Nearby Words

color lake
colorless
colorless corpuscle
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Cite this Entry

“Colorless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/colorless. Accessed 19 Oct. 2026.

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Kids Definition

colorless

adjective
col·​or·​less ˈkəl-ər-ləs How to pronounce colorless (audio)
1
: lacking color
a colorless liquid
2
: dull entry 1 sense 8
colorless writing
colorlessly adverb
colorlessness noun
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