/ Thesaurus / F Synonyms of freshen up Find synonyms for: Verb1. refurbish, renovate, freshen up, regenerate, renewusage: make brighter and prettier; "we refurbished the guest wing"; "My wife wants us to renovate"2. freshen, refresh, refreshen, freshen up, changeusage: become or make oneself fresh again; "She freshened up after the tennis game"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language