thin·​ner | \ ˈthi-nər How to pronounce thinner (audio) \

Definition of thinner

: one that thins specifically : a volatile liquid (such as turpentine) used especially to thin paint

Examples of thinner in a Sentence

Recent Examples on the Web The group also plans to study the effect of blood thinners for patients who are not sick enough to be hospitalized. NBC News, "For sickest patients, blood thinners may be linked to reduced COVID-19 deaths, study finds," 6 May 2020 Some are putting patients on oxygen earlier and using blood thinners prophylactically to prevent clots. Author: Lenny Bernstein, Ariana Eunjung, Anchorage Daily News, "‘Second-week crash’ is time of peril for some covid-19 patients," 30 Apr. 2020 Some medical centers, though, are taking no chances and have started using blood thinners as an early part of their COVID-19 treatment, says Morro. Popular Science, "COVID-19 is causing strokes in young people and doctors don’t know why," 28 Apr. 2020 His own hospital and others are beginning to test many admitted COVID-19 patients for markers of excess clotting and treat those who show it with blood thinners. Jennifer Couzin-frankel, Science | AAAS, "Why don’t some coronavirus patients sense their alarmingly low oxygen levels?," 28 Apr. 2020 His right leg was amputated because of blood clots that weren't resolved with blood thinners. Kristen Jordan Shamus, Detroit Free Press, "Michigan family devastated by coronavirus takes another hit," 22 Apr. 2020 Some doctors have tried using blood thinners such as heparin to try to reduce the clotting, but there's not enough evidence to show whether such treatment helps patients survive. Maggie Fox, CNN, "New Covid-19 crisis hits ICUs as more patients need dialysis," 17 Apr. 2020 Even patients on blood thinners in the ICU were developing clots in them - which is not unusual in one or two patients in one unit, but not in so many at the same time. Author: Ariana Eunjung Cha, Anchorage Daily News, "A mysterious blood-clotting complication is killing coronavirus patients," 22 Apr. 2020 According to Kloots, doctors initially put her husband on blood thinners in an attempt to ease some clotting in Cordero’s leg. NBC News, "Small-business loan program ran out of money within minutes, some banks say," 20 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thinner.' 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 thinner

1832, in the meaning defined above

Keep scrolling for more

Learn More about thinner

Time Traveler for thinner

Time Traveler

The first known use of thinner was in 1832

See more words from the same year

Statistics for thinner

Last Updated

4 Jun 2020

Cite this Entry

“Thinner.” Dictionary, Merriam-Webster, Accessed 10 Jul. 2020.

Keep scrolling for more

More Definitions for thinner


How to pronounce thinner (audio)

English Language Learners Definition of thinner

: a liquid (such as turpentine) that is added to paint to make it thinner and able to flow more easily


thin·​ner | \ ˈthi-nər How to pronounce thinner (audio) \

Kids Definition of thinner

: a liquid used to thin paint

Keep scrolling for more

More from Merriam-Webster on thinner

Rhyming Dictionary: Words that rhyme with thinner

Nglish: Translation of thinner for Spanish Speakers

Britannica English: Translation of thinner for Arabic Speakers

Comments on thinner

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


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

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!