colorless
Americanadjective
-
without color.
Pure water is colorless.
-
pallid; dull in color.
a colorless complexion.
-
lacking vividness or distinctive character; dull; insipid.
a colorless description of the parade.
- Synonyms:
- lackluster, drab, dreary, unexciting
-
unbiased; neutral.
Other Word Forms
- colorlessly adverb
- colorlessness noun
Etymology
Origin of colorless
Middle English word dating back to 1350–1400; see origin at color, -less
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“Soon everyone will know H2SO4,” he added—the chemical symbol for the colorless, corrosive liquid.
From The Wall Street Journal • Apr. 16, 2026
Contrary to popular belief, space food isn’t just freeze-dried packages or long tubes of bland, colorless and soulless slop.
From Salon • Apr. 10, 2026
Janet Simmelink—69, retired, and like many people in her milieu, visibly agitated—recently lingered on the outskirts of Denver’s Civic Center Park on a colorless evening, politely tolerating my questions.
From Slate • Apr. 9, 2025
Centers for Disease Control says chloroethane, which is also called ethyl chloride, is a colorless gas with a sharp odor that can also exist as a quick-evaporating liquid.
From Los Angeles Times • Feb. 19, 2025
South from Kostor one peak after another stood out white against a colorless sky; I counted thirteen, the last an undefined glimmer in the mist of distance in the south.
From "The Left Hand of Darkness" by Ursula K. Le Guin
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
