ana·​phy·​lac·​tic | \ ˌa-nə-fə-ˈlak-tik How to pronounce anaphylactic (audio) \

Definition of anaphylactic

: of, relating to, affected by, or causing anaphylaxis or anaphylactic shock

Other Words from anaphylactic

anaphylactically \ ˌa-​nə-​fə-​ˈlak-​ti-​k(ə-​)lē How to pronounce anaphylactic (audio) \ adverb
anaphylactoid \ ˌa-​nə-​fə-​ˈlak-​ˌtȯid How to pronounce anaphylactic (audio) \ adjective

Examples of anaphylactic in a Sentence

Recent Examples on the Web The official cause of death was an anaphylactic reaction to an unknown substance. The New Yorker, 21 Mar. 2022 Evans, 68, had a medical history of hypertension, environmental allergies, allergic disorder and reactive airway disease — which wasn't asthma — and had experienced previous anaphylactic reaction to the drug Albuterol, the autopsy report said. Celina Tebor, USA TODAY, 11 Feb. 2022 Travelers with some medical conditions, including people who have had severe anaphylactic reactions to the COVID vaccine, will also be exempt from the vaccination requirement. Bailey Schulz, USA TODAY, 25 Oct. 2021 Like many others, Zacky showed signs of an overzealous immune system as an infant, developing anaphylactic reactions as a first grader — peanuts, tree nuts, sesame, shellfish and legumes proved potentially deadly without the use of an EpiPen. Zee Krstic, Good Housekeeping, 15 Oct. 2021 Odds of severe side effects like blood clots or anaphylactic reactions are extremely rare. Emma Yasinski, Smithsonian Magazine, 20 Aug. 2021 No one in the clinical trial had an anaphylactic reaction to the vaccine. Stephanie Innes, The Arizona Republic, 12 May 2021 For comparison, each year, up to 100 people per 100,000 in the United States experience an anaphylactic reaction triggered by food allergies, insect stings, pollen, latex and other causes. Stacy Ryburn, Arkansas Online, 29 Apr. 2021 First of all, the rates of anaphylactic allergic reaction are really, really tiny, just 4.7 people per million Pfizer patients reacted to the first dose, and 2.5 people per million for the first Moderna dose. Andy Larsen, The Salt Lake Tribune, 26 Mar. 2021 See More

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

First Known Use of anaphylactic

1905, in the meaning defined above

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Time Traveler for anaphylactic

Time Traveler

The first known use of anaphylactic was in 1905

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Dictionary Entries Near anaphylactic



anaphylactic shock

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Statistics for anaphylactic

Last Updated

8 Apr 2022

Cite this Entry

“Anaphylactic.” Dictionary, Merriam-Webster, Accessed 16 May. 2022.

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More Definitions for anaphylactic


ana·​phy·​lac·​tic | \ ˌan-ə-fə-ˈlak-tik How to pronounce anaphylactic (audio) \

Medical Definition of anaphylactic

: of, relating to, affected by, or causing anaphylaxis or anaphylactic shock

Other Words from anaphylactic

anaphylactically \ -​ti-​k(ə-​)lē How to pronounce anaphylactic (audio) \ adverb


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