allergic

adjective

al·​ler·​gic ə-ˈlər-jik How to pronounce allergic (audio)
Synonyms of allergicnext
1
: of, relating to, affected with, or caused by allergy
2
: having an aversion
allergic to work

Examples of allergic in a Sentence

a lover of the outdoors who claims to be allergic to desk jobs
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 travelers drawn to the romance and ease of a voyage at sea but allergic to the thought of a giant cruise ship, there’s now a more rarefied option. Elycia Rubin, HollywoodReporter, 24 Mar. 2026 During one frightening allergic reaction, her child’s body erupts in hives and her breathing becomes labored, sending the family rushing to emergency care. Rhoda Feng, Vulture, 23 Mar. 2026 Simple Errors and Serious Problems A severe allergic reaction often starts with something relatively minor. K. H. Koehler, Ascend Agency, 18 Mar. 2026 The most common offenders, with regard to allergic reactions, are pet dander, dust and pollen. Bestreviews, Chicago Tribune, 17 Mar. 2026 See All Example Sentences for allergic

Word History

Etymology

allergy + -ic entry 1, after German allergisch

Note: See note at allergy.

First Known Use

1908, in the meaning defined at sense 1

Time Traveler
The first known use of allergic was in 1908

Browse Nearby Words

Cite this Entry

“Allergic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/allergic. Accessed 26 Mar. 2026.

Kids Definition

allergic

adjective
al·​ler·​gic ə-ˈlər-jik How to pronounce allergic (audio)
1
: of, relating to, affected with, or caused by allergy
an allergic reaction
2
: having a dislike for something
allergic to hard work

Medical Definition

allergic

adjective
al·​ler·​gic ə-ˈlər-jik How to pronounce allergic (audio)
1
: of, relating to, or characterized by allergy
an allergic reaction
allergic diseases
2
: affected with allergy : subject to an allergic reaction
he is allergic to pollen
allergically
ə-ˈlər-ji-k(ə-)lē
adverb
The body reacts allergically, the skin reddening and breaking out in tiny blisters. Paul G. Donohue, The Springfield (Massachusetts) Union-News

More from Merriam-Webster on allergic

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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

More from Merriam-Webster