Breadcrumb Home > Thesaurus > T Synonyms of thwack Find synonyms for: Noun 1. thwack, blow usage: a hard blow with a flat object Verb 1. smack, thwack, hit usage: deliver a hard blow to; "The teacher smacked the student who had misbehaved" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of thwack (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: felicitous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language