/ Thesaurus / O Synonyms of offshore rig Find synonyms for: Noun1. drilling platform, offshore rig, drill rig, drilling rig, oilrig, oil rigusage: drilling rig consisting of an offshore platform (floating or fixed to the sea bed) from which many oil wells can be bored radiallyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language