/ Thesaurus / W Synonyms of week by week Find synonyms for: Adverb1. week by weekusage: weekly; "week by week, the betrayal gnawed at his heart"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language