colorless

adjective

col·​or·​less ˈkə-lər-ləs 

: lacking color: such as

a

: pallid, blanched

a colorless complexion

b

: dull, uninteresting

colorless prose

colorlessly adverb

colorlessness noun

Synonyms

• tintless [archaic]
• uncolored
• undyed
• unpainted
• unstained
• white

Examples of colorless in a Sentence

since we can't decide what color to paint the doghouse, our latest home project remains colorless for the time being

page after page of colorless prose without even one neat turn of phrase

Recent Examples on the Web

Carbon monoxide is a fatal odorless, colorless gas; gas- and oil-burning furnaces, portable generators and charcoal grills produce it, among other common items, per the Centers for Disease Control and Prevention (CDC). —Charna Flam, People.com, 27 Mar. 2025

The sheriff's office said Tuesday that the company that provides natural gas service for the home made no significant findings after looking for gas leaks and carbon monoxide, the colorless, odorless gas that can be fatal by depriving people from getting enough oxygen. —Alex Sundby, CBS News, 7 Mar. 2025

What are my rights, and what responsibility does the HOA have? A: Radon is an odorless, colorless gas that can cause lung cancer. —Jill Terreri Ramos, New York Times, 26 Apr. 2025

Black-and-white drawings dominate the show’s first half, in which closely observed, acutely detailed faces emerge out of the blank void of colorless sheets of paper. —Christopher Knight, Los Angeles Times, 17 Apr. 2025

Word History

First Known Use

14th century, in the meaning defined above

Kids Definition

colorless

adjective

col·​or·​less ˈkəl-ər-ləs 

1

: lacking color

a colorless liquid

2

: dull entry 1 sense 8

colorless writing

colorlessly adverb

colorlessness noun