/ Thesaurus / R Synonyms of refresher course Find synonyms for: Noun1. refresher course, refresher, course, course of study, course of instruction, classusage: a course that reviews and updates a topic for those who have not kept abreast of developmentsWordNet 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