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
“Soon everyone will know H2SO4,” he added—the chemical symbol for the colorless, corrosive liquid.
From The Wall Street Journal • Apr. 16, 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
His colorless face was covered with a layer of frost and snow.
From "Night" by Elie Wiesel
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.
