/ Thesaurus / I Synonyms of impairer Find synonyms for: Noun1. impairer, agentusage: an agent that impairs; "crops can be great impairers of the soil"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language