/ Thesaurus / O Synonyms of operating capital Find synonyms for: Noun1. operating capital, capital, working capitalusage: capital available for the operations of a firm (e.g. manufacturing or transportation) as distinct from financial transactions and long-term improvementsWordNet 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