/ Thesaurus / H Synonyms of hydraulic system Find synonyms for: Noun1. hydraulic system, mechanismusage: a mechanism operated by the resistance offered or the pressure transmitted when a liquid is forced through a small opening or tubeWordNet 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