Search Dictionary
Definition of thwack

thwack

/θwæk/
thwack
Plural:thwacks
•
Past Simple:thwacked
•
Past Participle:thwacked
•
Present Participle:thwacking
JUMP TO:

thwack Lexical Profile

thwack Game Scores & Validity

• noun

1

A sharp, heavy blow delivered with a flat or solid object, or the sound made by such an impact.

Example

"The tennis player hit the ball with a loud thwack that echoed across the court."

Synonyms
View all synonyms for thwack

• verb

1

To strike forcefully with a sharp, resounding blow, especially using something flat.

Example

"He used a rolled-up newspaper to thwack the dusty rug hanging on the clothesline."

Synonyms
View all synonyms for thwack
Antonyms
View all antonyms for thwack

• interjection

1

Used to represent the sharp, heavy sound of a flat object striking a surface.

Example

"Thwack! The tennis ball hit the back fence at high speed."

Synonyms
View all synonyms for thwack

• Rhymes for thwack

• Nearby Words

thunk
thus
thusly
thwack
thwart
thy
thylacine

Word Origin & Etymology

First recorded in the 16th century, probably of imitative origin and influenced by "whack" and dialectal "thwang".

Cite this Entry

Wordmom. (2026). Definition of Thwack. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/thwack
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.