/ Thesaurus / B Synonyms of baby tooth Find synonyms for: Noun1. primary tooth, deciduous tooth, baby tooth, milk tooth, toothusage: one of the first temporary teeth of a young mammal (one of 20 in children)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language