/ Thesaurus / P Synonyms of pile driver Find synonyms for: Noun1. pile driver, machineusage: a machine that drives piling into the groundWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language