/ Thesaurus / F Synonyms of fan belt Find synonyms for: Noun1. fan belt, beltusage: a belt driven by the crankshaft that drives a fan that pulls air through the radiatorWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language