/ Thesaurus / P Synonyms of posthole digger Find synonyms for: Noun1. posthole digger, post-hole digger, shovelusage: a shovel used to sink postholesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language