/ Thesaurus / S Synonyms of speed bump Find synonyms for: Noun1. speed bump, hindrance, hinderance, hitch, preventive, preventative, encumbrance, incumbrance, interferenceusage: a hindrance to speeding created by a crosswise ridge in the surface of a roadwayWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language