/ Thesaurus / T Synonyms of tax break Find synonyms for: Noun1. tax benefit, tax break, tax write-off, tax deduction, deductionusage: a tax deduction that is granted in order to encourage a particular type of commercial activityWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language