whacked; whacking; whacks
1
a
: to strike with a smart or resounding blow
whack the ball
b
: to cut with or as if with a whack : chop
2
chiefly British
: to get the better of : defeat
: to strike a smart or resounding blow
whacker
noun
1
a
: a smart or resounding blow
also
: the sound of or as if of such a blow
b
: a critical attack
4
a
: an opportunity or attempt to do something
take a whack at it
b
: a single action or occasion
borrowed $50 all at one whack
see also:
Examples of whack in a Sentence
Verb
She whacked the piñata with a stick.
The old man lifted his cane and whacked the mugger on the head.
They were whacking through the jungle with their machetes.
He got whacked by mobsters.
Noun
The pile of books hit the floor with a whack.
took a whack at solving the math problem
Recent Examples on the Web
Lauren Dana Ellman, Travel + Leisure, 23 Feb. 2026
Rio’s staunch griminess, dreaming of whacking his brother and wanting to cut his nephew’s tongue for snitching, drags Fxce out into the open sea.
—Matthew Ritchie, Pitchfork, 23 Feb. 2026
ABC News, 6 Mar. 2026
Harsh, Overhead Lighting Stressing your eyes with bright, artificial lighting overhead can make focusing a challenge and even throw your body’s natural circadian rhythm out of whack, says Rousell.
—Patricia Shannon, Better Homes & Gardens, 4 Mar. 2026
See All Example Sentences for whack
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Verb
Family-friendly attractions abound, from old-school carnival games like ring toss and whack-a-mole to a fun house with mirror mazes and glowing lights.
—Lauren Dana Ellman, Travel + Leisure, 23 Feb. 2026
Rio’s staunch griminess, dreaming of whacking his brother and wanting to cut his nephew’s tongue for snitching, drags Fxce out into the open sea.
—Matthew Ritchie, Pitchfork, 23 Feb. 2026
Noun
Darker mornings and more evening light knock your body clock out of whack — which means daylight saving time can usher in sleep trouble for weeks or longer.
—ABC News, 6 Mar. 2026
Harsh, Overhead Lighting Stressing your eyes with bright, artificial lighting overhead can make focusing a challenge and even throw your body’s natural circadian rhythm out of whack, says Rousell.
—Patricia Shannon, Better Homes & Gardens, 4 Mar. 2026
See All Example Sentences for whack
Cite this Entry
“Whack.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/whack. Accessed 7 Mar. 2026.
Copy CitationKids Definition
whack
1 of 2 verb
ˈhwak 
ˈwak
: to hit or cut with a hard noisy blow
whacked the ball into left field
whacker
noun
whack
2 of 2 noun1
: a hard noisy blow
also
: its sound
2
: try entry 2, attempt
take a whack at it
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