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.
However, people must be monitored after vaccination and should have access to epinephrine in case of a severe allergic reaction. Suchandrima Bhowmik, Health, 15 May 2026 Their bites are painful, itchy, and can sometimes cause allergic reactions or become infected. Sophia Beams, Better Homes & Gardens, 14 May 2026 Those who are allergic to certain bees should always consider their personal safety. Rae Ford, Martha Stewart, 13 May 2026 No illnesses or allergic reactions have been reported in connection with those products. Ashley Soebroto, Houston Chronicle, 9 May 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 21 May. 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

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