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 of colorless

• white
• transparent
• faded

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

Especially in 2026, when every parking lot looks like a carton of Walmart eggs—endless rows of colorless blobs. —Andrew P. Collins, The Drive, 19 Mar. 2026

The colorless gas is also used to make chemicals found in products such as antifreeze, detergents, plastics and adhesives. —Los Angeles Times, 13 Mar. 2026

Doing so could cause a generator to produce hazardous levels of carbon monoxide, an odorless, colorless and deadly gas. —Nick Lentz, CBS News, 7 Mar. 2026

Black and White Photos When highlighting your walls with art, black-and-white imagery may seem boring, but there are many shades between black and white that add nuance to colorless photography. —Jennifer Prince, Southern Living, 15 Feb. 2026

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