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

If the glass is colorless, its potential sources are even more limited, because colorless low-iron glass – popularized by Apple’s flagship stores and luxury towers around the world – requires 99% pure silica sand. —Aki Ishida, The Conversation, 10 Sep. 2025

Mendel is bottled at 40% ABV and is a clear, colorless spirit, but that is where the similarity to other vodka ends. —Don Tse, Forbes.com, 6 Sep. 2025

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

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