Breadcrumb Home > Thesaurus > A Synonyms of anaphylaxis Find synonyms for: Noun 1. anaphylaxis, hypersensitivity reaction usage: hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of anaphylaxis (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: raconteur Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language