/ Thesaurus / R Synonyms of rate of attrition Find synonyms for: Noun1. attrition rate, rate of attrition, rateusage: the rate of shrinkage in size or numberWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language