/ Thesaurus / I Synonyms of infant deathrate Find synonyms for: Noun1. infant deathrate, infant mortality, infant mortality rate, deathrate, death rate, mortality, mortality rate, fatality rateusage: the death rate during the first year of lifeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language