as·​pi·​rin | \ ˈa-sp(ə-)rən How to pronounce aspirin (audio) \
plural aspirin or aspirins

Definition of aspirin

1 : a white crystalline derivative C9H8O4 of salicylic acid used for relief of pain and fever
2 : a tablet of aspirin

Examples of aspirin in a Sentence

Aspirin is effective in controlling headaches.
Recent Examples on the Web Under the conditions of her bond, Couch, 52, is not allowed to use alcohol, drugs or any medication — including aspirin, cough syrup and vitamins — or to possess weapons. Tom Steele, Dallas News, "‘Affluenza teen’ Ethan Couch back in jail after authorities say he failed drug test," 2 Jan. 2020 To reduce swelling, refrain from alcohol, aspirin, and other blood thinners for a few days before and after any injectables. Harper's BAZAAR, "What is a Botox Lip Flip? Experts Weigh In.," 26 Dec. 2019 That horror story, combined with the missed road sign in Iraq, plus a degree of vanity at having to wear glasses to read an aspirin bottle, encouraged me to have laser surgery. Janine Di Giovanni, Harper's magazine, "Notes on a Crisis," 28 Oct. 2019 Yet the aspirin users experienced markedly more digestive-tract bleeding, along with some other side effects. NBC News, "Millions should stop taking aspirin for heart health, study says," 22 July 2019 Counterfeit pills were found in the musician’s home, including 15 in his dressing room, 64 in a Bayer aspirin bottle and 20 in an Alleve bottle. Kris Maher, WSJ, "No Criminal Charges in Prince’s Overdose Death," 19 Apr. 2018 Her doctor altered her blood pressure medicine, added a cholesterol drug and aspirin, and adjusted her diet. Marilynn Marchione, Anchorage Daily News, "Big study casts doubt on need for many heart procedures," 16 Nov. 2019 All of the patients were put on an intensive drug regimen that included aspirin and medications to lower levels of unhealthy LDL cholesterol, along with blood pressure drugs such as ACE inhibitors and beta blockers. Erika Edwards, NBC News, "Heart disease patients with exercise-induced chest pain may not need stents," 16 Nov. 2019 Similarly, aspirin or acetylsalicylic acid and synthetic caffeine does the trick of combating headaches, drowsiness, and nausea. Kyle Beechey, Bon Appétit, "I Tried Those New, Flashy Hangover Cures to See If They Worked," 25 Oct. 2019

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

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First Known Use of aspirin

1899, in the meaning defined at sense 1

History and Etymology for aspirin

International Scientific Vocabulary, from acetyl + spiraeic acid (former name of salicylic acid), from New Latin Spiraea, genus of shrubs — more at spirea

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Time Traveler for aspirin

Time Traveler

The first known use of aspirin was in 1899

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Statistics for aspirin

Last Updated

25 Jan 2020

Cite this Entry

“Aspirin.” The Dictionary, Merriam-Webster Inc., Accessed 28 January 2020.

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More Definitions for aspirin


How to pronounce aspirin (audio)

English Language Learners Definition of aspirin

: a medicine that reduces pain and fever


as·​pi·​rin | \ ˈa-sprən How to pronounce aspirin (audio) , ˈa-spə-rən \

Kids Definition of aspirin

: a white drug used to relieve pain and fever


as·​pi·​rin | \ ˈas-p(ə-)rən How to pronounce aspirin (audio) \
plural aspirin or aspirins

Medical Definition of aspirin

1 : a white crystalline derivative C9H8O4 of salicylic acid used for relief of pain and fever
2 : a tablet of aspirin

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More from Merriam-Webster on aspirin

Spanish Central: Translation of aspirin

Nglish: Translation of aspirin for Spanish Speakers

Britannica English: Translation of aspirin for Arabic Speakers Encyclopedia article about aspirin

Comments on aspirin

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


showing steady, earnest care and effort

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