col·​or·​less | \ ˈkə-lər-ləs How to pronounce colorless (audio) \

Definition of colorless

: lacking color: such as
a : pallid, blanched a colorless complexion
b : dull, uninteresting colorless prose

Keep scrolling for more

Other Words from colorless

colorlessly adverb
colorlessness noun

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 The police toxicology report detected a dangerous substance in Levy's blood called 2-methyl-2-butanol - or 2M2B - a colorless liquid that, taken in tiny doses, induces euphoria within 30 minutes. Anchorage Daily News, "How Veterans Affairs failed to stop a pathologist who misdiagnosed 3,000 cases," 30 Aug. 2019 Formalin contains formaldehyde, a colorless chemical that is typically used to embalm the dead. Susan Scutti, CNN, "Woman dies after being given formaldehyde instead of saline," 10 Apr. 2018 Most of them are colorless and odorless and easily dissolve into liquid. Scottie Andrew, CNN, "A university is handing out coasters that could detect date-rape drugs in drinks," 18 Oct. 2019 Radon is a colorless, odorless radioactive gas, the leading cause of lung cancer among non-smokers, according to Environmental Protection Agency estimates — and an enemy that lurks in nearly 1 out of every 15 homes in the United States. Real Estate, "What every homeowner should know about radon," 12 Nov. 2019 The gas is odorless, colorless and tasteless, so public health experts strongly recommend installing detectors to protect residents. Suzy Khimm, NBC News, "House passes $300 million bill requiring carbon monoxide detectors in public housing," 10 Sep. 2019 State officials and marijuana industry sources said black-market dealers appear to be using new substances to thin out THC oil, which is thick, odorless and colorless. Author: Lena H. Sun, Laurie Mcginley, Anchorage Daily News, "As vaping-related lung illnesses spike, investigators eye contaminants," 30 Aug. 2019 After a short trek into the cavern, board a glass-bottom boat for glimpses into the underwater world and its hovering clouds of rainbow trout, colorless and blind from ages in darkness. National Geographic, "Take an epic road trip to Tennessee’s coolest caverns," 16 Aug. 2019 But generally, the world of warehousing, logistics and manufacturing space seems colorless and dull by contrast with other real estate sectors. John Gallagher, Detroit Free Press, "This hidden real estate sector is the healthiest in metro Detroit," 23 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'colorless.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of colorless

14th century, in the meaning defined above

Keep scrolling for more

Learn More about colorless

Time Traveler for colorless

Time Traveler

The first known use of colorless was in the 14th century

See more words from the same century

Statistics for colorless

Last Updated

13 Jan 2020

Cite this Entry

“Colorless.” The Dictionary, Merriam-Webster Inc., Accessed 24 January 2020.

Keep scrolling for more

More Definitions for colorless


How to pronounce colorless (audio)

English Language Learners Definition of colorless

: lacking color
: dull or boring : not interesting


col·​or·​less | \ ˈkə-lər-ləs How to pronounce colorless (audio) \

Kids Definition of colorless

1 : having no color
3 : dull entry 1 sense 3 Her face had a colorless expression.

Keep scrolling for more

Comments on colorless

What made you want to look up colorless? Please tell us where you read or heard it (including the quote, if possible).


a feeling of well-being or elation

Get Word of the Day daily email!

Test Your Vocabulary

Intact Latin Quiz

  • roman tablet
  • What did focus mean in Latin?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!