Breadcrumb Home > Thesaurus > A Synonyms of accelerate Find synonyms for: Verb 1. accelerate, speed up, speed, quicken, intensify, deepen usage: move faster; "The car accelerated" 2. accelerate, speed, speed up, change, alter, modify usage: cause to move faster; "He accelerated the car" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of accelerate (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language