col·​or·​less | \ ˈkə-lər-ləs How to pronounce colorless (audio) \

Definition of colorless

: lacking color: such as
a : pallid, blanched a colorless complexion
b : dull, uninteresting colorless prose

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Other Words from colorless

colorlessly adverb
colorlessness noun

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 The glands would melt, leaving behind a colorless compound that produced the purple dye when re-exposed to air and sunlight. Mark Woolmer, National Geographic, "Purple Reign: A passion for purple built the Phoenicians' vast trading empire," 24 Sep. 2020 Two of the cars contained cyclohexanone, a colorless industrial chemical that is used as a solvent and in metal degreasing. Paulina Pineda, The Arizona Republic, "5 days after Tempe Town Lake train derailment, crews prepare to rebuild the partially collapsed bridge," 29 July 2020 Two of the three rail cars that fell to the ground under the bridge contained cyclohexanone, a colorless industrial chemical that is used as a solvent in metal degreasing. Audrey Jensen, The Arizona Republic, "Tempe officials to provide update on freight train derailment," 29 July 2020 Ozone, a colorless, odorless gas, forms when NOx and volatile organic compounds (VOCs) react in sunlight. Erin Stone, azcentral, "As Arizonans battle respiratory pandemic, Phoenix air quality earns poor marks," 23 Apr. 2020 Uranium is colorless and odorless, and its effects on the human body usually take time., "Death, lies and uranium: How an Ohio man’s mysterious disappearance in 1984 still haunts family, friends," 17 Mar. 2020 Ozone is a colorless, odorless gas that forms when nitrogen oxides (NOx) and volatile organic compounds (VOCs) react in sunlight. Erin Stone, azcentral, "Air pollution levels ease as people stay home, but heat could reverse the trend," 13 Apr. 2020 The visions of the reformocons were colorless and empty. Tanner Greer, National Review, "Learning the Wrong Lessons from Reform Conservatism," 17 Mar. 2020 The landscape is colorless, trees are still black skeletons, but these little birds are seemingly celebrating the coming of spring with a sky dance that few hunters ever witness. Tom Fegely, Field & Stream, "Don’t Miss the Woodcock’s Spring Courtship Flight," 13 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'colorless.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of colorless

14th century, in the meaning defined above

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Time Traveler for colorless

Time Traveler

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

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Statistics for colorless

Cite this Entry

“Colorless.” Dictionary, Merriam-Webster, Accessed 19 Jan. 2021.

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More Definitions for colorless


How to pronounce colorless (audio)

English Language Learners Definition of colorless

: lacking color
: dull or boring : not interesting


col·​or·​less | \ ˈkə-lər-ləs How to pronounce colorless (audio) \

Kids Definition of colorless

1 : having no color
3 : dull entry 1 sense 3 Her face had a colorless expression.

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