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

Researchers in China have created a transparent, colorless, and unidirectional solar concentrator that can be directly coated onto standard window glass and used to harvest sunlight without changing the window’s appearance. —Georgina Jedikovska, Interesting Engineering, 4 Sep. 2025

Mineral oil is odorless, tasteless, and colorless. —Lauren O'Connor, Health, 2 Sep. 2025

Instead, choose a colorless cleaner or use a mild dishwashing soap with no dyes. —Karen Brewer Grossman, Southern Living, 1 Sep. 2025

A couple drops of a colorless essential oil. —Cody Godwin, USA Today, 31 Aug. 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