Breadcrumb Home > Thesaurus > B Synonyms of breathalyzer Find synonyms for: Noun1. breathalyzer, breathalyser, deviceusage: a device that measures chemicals (especially the alcohol content) in a person's expired breathWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of breathalyzer (Dictionary) ✖ Related Content Daily Word Quiz: donnybrook Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language