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
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.
The noble gas—completely colorless, odorless, and tasteless—is used in rocket propulsion.
From Barron's ● May 28, 2026
The colorless gas can harm the respiratory system of sensitive individuals, according to the Environmental Protection Agency.
From The Wall Street Journal ● May 21, 2026
PCE is a man-made, colorless liquid widely used to remove grease in industrial and household settings, including dry cleaning.
From Science Daily ● Nov. 12, 2025
By contrast, many authoritarian leaders are colorless, possessing little or no charisma: Consider Francisco Franco, Antonio Salazar, the Greek colonels, Leopoldo Galtieri, Augusto Pinochet, Park Chung-hee.
From Salon ● Jun. 22, 2025
The lips, nearly colorless, are set in an expression of uncharacteristic haughtiness.
From "The Namesake" by Jhumpa Lahiri
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.
