al·​ler·​gic | \ ə-ˈlər-jik How to pronounce allergic (audio) \

Definition of allergic

1 : of, relating to, affected with, or caused by allergy
2 : having an aversion allergic to work

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Synonyms for allergic


antipathetic, averse

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Examples of allergic in a Sentence

a lover of the outdoors who claims to be allergic to desk jobs

Recent Examples on the Web

There haven't been reports of anyone experiencing an allergic reaction from this product, according to a press release from the U.S. Department of Agriculture. Rachel Berry,, "Koch Foods recalls chicken due to unnamed allergens," 18 July 2019 Though bedbugs are not known to spread disease, their health effects are real, both emotional and physical, causing allergic reactions, secondary infections and psychological distress. Susan Glaser,, "‘Is this a bedbug?’ What to do when your child texts you from France with an entomology question," 14 July 2019 Each caterpillar is spiked with up to 700,000 pointed defensive bristles, which are carried by the breeze and may provoke rashes, coughing, allergic reactions, or irritation if inhaled or touched. Natasha Frost, Quartz, "Europe is under siege from a plague of incredibly hairy, toxic caterpillars," 6 July 2019 Among Meridian’s ingredients: Methylisothiazolinone and methylchloroisothiazolinone, two preservatives that nonprofit Environmental Working Group report are associated with allergic reactions and irritation of the skin, eyes, and lungs. Stephie Grob Plante, Vox, "Some people held in border detention centers are being forced to bathe themselves with shampoo. The issue is far bigger than personal hygiene.," 3 July 2019 Aspergillosis can range from mild to serious, manifesting as an allergic reaction or infections in the lungs and other organs. CBS News, "Seattle Children's Hospital mold infections leave one dead, force closure of most operating rooms," 3 July 2019 Health problems can include allergic reactions, lung infections and other organ infections. Chris Boyette, CNN, "Seattle Children's Hospital operating rooms shut down after a patient dies of mold infection," 3 July 2019 The American Academy of Ophthalmology lists risks that include: trauma to or infection of the eyelid or cornea; allergic reaction to the glue; and permanent or temporary loss of eyelashes. Beth Teitell,, "When it comes to eyelash extensions, the demand is unreal," 3 July 2019 Caution should also be exercised with other supplements and herbs that claim to increase dream lucidity—they are not backed by scientific evidence and, as with all drugs, there is the risk of allergic reactions and side-effects. Achilleas Pavlou, Quartz, "A lucid dream researcher’s tips for controlling your dreams," 29 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'allergic.' 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 allergic

1908, in the meaning defined at sense 1

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Statistics for allergic

Last Updated

21 Jul 2019

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Time Traveler for allergic

The first known use of allergic was in 1908

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More Definitions for allergic



English Language Learners Definition of allergic

: of or relating to an allergy
: having an allergy


al·​ler·​gic | \ ə-ˈlər-jik How to pronounce allergic (audio) \

Kids Definition of allergic

: of, relating to, causing, or affected by allergy allergic to peanuts an allergic reaction


al·​ler·​gic | \ ə-ˈlər-jik How to pronounce allergic (audio) \

Medical Definition of allergic

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

Other Words from allergic

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, 18 Aug. 1993

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More from Merriam-Webster on allergic

Rhyming Dictionary: Words that rhyme with allergic

Thesaurus: All synonyms and antonyms for allergic

Spanish Central: Translation of allergic

Nglish: Translation of allergic for Spanish Speakers

Comments on allergic

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


something desired as essential

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