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
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
Their eyes were the colorless grey of extreme age, and they squinted at the organs on the slab.
From "Stardust" by Neil Gaiman
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.
