/ Thesaurus / G Synonyms of gulf of ob Find synonyms for: Noun1. Gulf of Ob, Bay of Obusage: an inlet of the Kara Sea in western SiberiaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language