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

• 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

Carbon monoxide is a colorless, odorless gas that can kill you, your family and pets. —Cheryl V. Jackson, The Courier-Journal, 2 July 2025

Gerard Bertrand 'Gris Blanc' Rosé Almost colorless, this grenache rosé from the Mediterranean is notable for its minerality and a faint sparkle. —Rachel King, Forbes.com, 14 June 2025

Their residence was tested for the colorless, odorless gas and was cleared by the Santa Fe City Fire Department after authorities were unable to find evidence of a carbon monoxide leak or poisoning. —Stephanie Giang-Paunon, FOXNews.com, 15 Apr. 2025

Nitrogen is an odorless and colorless gas that is typically used in cryotherapy. —Charna Flam, People.com, 15 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