/ Thesaurus / S Synonyms of stillson wrench Find synonyms for: Noun1. Stillson wrench, pipe wrench, tube wrenchusage: a large pipe wrench with L-shaped adjustable jaws that tighten as pressure on the handle is increasedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language