/ Thesaurus / S Synonyms of subfamily sylviinae Find synonyms for: Noun1. Sylviinae, subfamily Sylviinae, bird familyusage: alternative classification for the Old World warblersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: kiln Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language