anaphylactic

adjective

ana·​phy·​lac·​tic ˌa-nə-fə-ˈlak-tik How to pronounce anaphylactic (audio)
: of, relating to, affected by, or causing anaphylaxis or anaphylactic shock
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For Hall, just the smell of red meat cooking nearby can trigger an anaphylactic reaction. — CBS News, 19 June 2026 In severe cases, people with food allergies may go into anaphylaxis—and peanuts are the most common cause of anaphylactic allergic reactions. — Adeola Adeosun, MSNBC Newsweek, 15 June 2025 Humans don't produce the molecule so when a tick transmits it, alpha-gal can produce a hive-like rash or an anaphylactic reaction about 2-6 hours after a person consumes meat. — NPR, 15 Nov. 2025 However, people who are hypersensitive to other stinging insects are at higher risk of anaphylactic response to Asian needle ant stings. — Eva Flowe june 26, Charlotte Observer, 26 June 2026 See All Example Sentences for anaphylactic

Word History

First Known Use

1905, in the meaning defined above

Time Traveler
The first known use of anaphylactic was in 1905

Phrases Containing anaphylactic

Rhymes for anaphylactic

See All Rhymes for anaphylactic

Browse Nearby Words

anaphrodisiac
anaphylactic
anaphylactic shock
See all Nearby Words

Cite this Entry

“Anaphylactic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anaphylactic. Accessed 7 Jul. 2026.

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Medical Definition

anaphylactic

adjective
ana·​phy·​lac·​tic ˌan-ə-fə-ˈlak-tik How to pronounce anaphylactic (audio)
: of, relating to, affected by, or causing anaphylaxis or anaphylactic shock
anaphylactically
-ti-k(ə-)lē How to pronounce anaphylactic (audio)
adverb
Last Updated: - Updated example sentences
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