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Definition of whack

whack

/wæk/
whack

Plural:whacks
•
Adjective:whacking
•
Past Simple:whacked
•
Past Participle:whacked
•
Present Participle:whacking
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whack Lexical Profile

whack Game Scores & Validity

• noun

1

A sharp, resounding blow, or the sound made by such an impact.

Example

"He gave the dusty rug a firm whack with a wooden paddle to clean it."


2

Proper working order, balance, or alignment (used primarily in the phrase 'out of whack').

Example

"Traveling across several time zones threw my sleep schedule completely out of whack."


3

An attempt or try at doing something (informal).

Example

"After struggling with the math puzzle, she let her brother take a whack at solving it."


4

British A share, portion, or contribution (informal).

Example

"Every partner in the small business agreed to pay their fair whack of the operating expenses."

Synonyms
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• verb

1

To strike or hit forcefully with a sharp, resounding blow.

Example

"The gardener had to whack the overgrown weeds back from the garden path."


2

North American To murder or assassinate someone (slang).

Example

"In the crime novel, the detective uncovers a plot by the syndicate to whack a key informant."


3

British To place, put, or thrust something roughly or casually into position (informal).

Example

"Just whack the vegetables into the roasting pan and put them in the oven."


4

To divide or share something into portions (informal, usually followed by 'up').

Example

"The winners agreed to whack up the prize money equally among the team members."

Synonyms
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• adjective

1

Of poor quality, inferior, unfair, or eccentric (informal slang, often spelled 'wack').

Example

"The rules for the tournament were completely whack and favored the home team."

Synonyms
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Antonyms
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• interjection

1

Used to imitate or represent the sharp sound of a forceful blow or impact.

Example

"Whack! The batter drove the baseball high into the bleachers."

Synonyms
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• adverb

1

With a sudden, sharp, or heavy blow.

Example

"The hockey puck went whack against the protective glass."

Word Nuance & Usage

In contemporary slang, the adjective meaning 'bad' or 'eccentric' is frequently spelled 'wack', though 'whack' remains a common variant; do not confuse it with the homophone 'wax'.

• Rhymes for whack

Word Origin & Etymology

First recorded in the early 18th century (originally in Scottish and northern English dialects), the word is of imitative origin, coined to mimic the sharp, resounding sound of a heavy blow.

Cite this Entry


Wordmom. (2026). Definition of Whack. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/whack
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