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
Under the direction of Sarah Frankcom, the actors inflect the dialogue with welcome variety, although the overall tone remains firmly dispassionate and emotionally colorless, as befits the dialogue’s cool tone.
From The Wall Street Journal ● Jan. 22, 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
Where the aged tree’s limbs once exploded into violet, singed branches crisscrossed in colorless sterility like an unfinished painting.
From Los Angeles Times ● Jun. 24, 2025
I wanted to scream at her, to blame everything on her, but she sagged against the wall as if she’d never move again, her face colorless, her eyes unfocused.
From "The Old Willis Place" by Mary Downing Hahn
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.
