/ Thesaurus / S Synonyms of sialidae Find synonyms for: Noun1. Sialidae, family Sialidae, arthropod familyusage: an arthropod family including: alderfliesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language