/ Thesaurus / S Synonyms of swear off Find synonyms for: Verb1. swear off, promise, assureusage: promise to abstain from; "I have sworn off cigarettes altogether"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language