/ Thesaurus / O Synonyms of oilrig Find synonyms for: Noun1. drill rig, drilling rig, oilrig, oil rig, rigusage: rig used in drilling for oil or gasWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language