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.
Bach’s pieces are “lacking in memorable melodies,” he writes—a fine opinion but a colorless thought.
From The Wall Street Journal ● Oct. 9, 2026
PCE is a synthetic, colorless liquid that is especially effective at dissolving grease.
From Science Daily ● Sep. 7, 2026
The noble gas—completely colorless, odorless, and tasteless—is used in rocket propulsion.
From Barron's ● May 28, 2026
Ethylene oxide is a colorless gas often used in the sterilization of medical devices, particularly those that can’t be cleaned using steam or radiation.
From Los Angeles Times ● May 14, 2026
He looks like a colorless worm, writhing on his stomach in a synthetic tan suit with precisely matching socks, his steel glasses smashed against the pavement.
From "Dreaming in Cuban" by Cristina García
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.
