/ Thesaurus / A Synonyms of all powerful Find synonyms for: Adjective1. almighty, all-powerful, omnipotent, powerful (vs. powerless)usage: having unlimited powerWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reluctant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language