thwack

1 of 2

verb

ˈthwak 

thwacked; thwacking; thwacks

transitive verb

: to strike with or as if with something flat or heavy : whack

thwack

2 of 2

noun

: a heavy blow : whack

also : the sound of or as if of such a blow

Synonyms of thwack

Verb

• slap
• smack
• hit
• punch
• knock
• bang
• clap
• slam
• whack
• strike
• bat
• pound
• swipe
• clip
• thump

Noun

• thud
• thump
• slap
• blow
• punch
• hit
• whack
• knock
• swipe
• smack
• pound
• stroke
• spank
• poke
• bang
• lick

Examples of thwack in a Sentence

Verb

A book fell off the shelf and thwacked me on the head.

thwacked the growling dog on the nose with a rolled-up newspaper

Noun

he gave the ball a hard thwack with the bat and sent it deep into the outfield

even from the top of the bleachers we could hear the loud thwack of the ball being hit

Recent Examples on the Web

Verb

The back door flung open, then thwacked shut. — Lizz Schumer, PEOPLE, 20 Jan. 2026

Fans all over the world can track every shot of every player — including balls thwacked on the driving range. — Sam Farmer, Los Angeles Times, 11 Apr. 2025

Noun

There’s something unnerving about the mundane thwack of the rhythms. — Andrew Ryce, Pitchfork, 27 Feb. 2026

Paramount Skydance’s stock took a thwack Wednesday. — Dominic Patten, Deadline, 3 June 2026

Word History

Etymology

Verb

imitative

First Known Use

Verb

circa 1530, in the meaning defined above

Noun

1587, in the meaning defined above

Rhymes for thwack

• balk
• baulk
• bloc
• bock
• broch
• brock
• calk
• caulk
• chalk
• chock
• clock
• cock

Kids Definition

thwack

verb

ˈthwak

: to strike with or as if with something flat or heavy : whack

thwack noun