/ Thesaurus / W Synonyms of widal's test Find synonyms for: Noun1. Widal test, Widal's test, agglutination testusage: a test for detecting typhoid fever and other salmonella infectionsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language