/ Thesaurus / B Synonyms of borrow pit Find synonyms for: Noun1. borrow pit, pit, cavityusage: a pit created to provide earth that can be used as fill at another siteWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language