/ Thesaurus / I Synonyms of istiophoridae Find synonyms for: Noun1. Istiophoridae, family Istiophoridae, fish familyusage: sailfishes; spearfishes; marlinsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language