WACK Synonyms: 177 Similar and Opposite Words

wack

adjective

ˈwak

Definition of wack

slang

as in wrong

falling short of a standard that movie was wack, even by the standards of popcorn flicks

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of wack In the film, Polsky seems unsure whether to view McCollum as a saint or a wack job. — Zach Helfand, New Yorker, 13 Oct. 2025 Also, this photo of us is wack because in real life Kelly is about 1/16 my size. — Angela Andaloro, People.com, 29 July 2025 This psychotic wack job has lots of grievances against society, particularly those who are on the fringe and have nothing, unlike him whose luxury automobile represents a person who has it all and the security technology to keep it that way. — Pete Hammond, Deadline, 20 Mar. 2025 This psychotic wack job has lots of grievances against society, particularly those who are on the fringe and have nothing — unlike him, whose luxury automobile represents a person who has it all and the security technology to keep it that way. — Pete Hammond, Deadline, 20 Mar. 2025 That guessing game isn’t great when too much melatonin can lead to fatigue, dizziness, and confusion, among other wack side effects. — Ali Finney, SELF, 19 Apr. 2024 Nathan Fielder Is Keeping It Real Nathan Fielder was pretty wack this week on Jimmy Kimmel Live! — Vulture, 17 Nov. 2023 Lillard couldn’t be both the good locker room guy and try to get his wack teammates shipped out of town. — Corbin Smith, Rolling Stone, 28 Sep. 2023 Tenant shall refrain from posting aggressive notes in building common areas about the wack job in Apartment 2B. — Sam Spero, The New Yorker, 4 Sep. 2023

Recent Examples of Synonyms for wack

Adjective

Its argument is that insurers have been pricing wildfire risk the wrong way, by looking backward at statistics and sorting homes by zip code.

— Nick Lichtenberg, Fortune, 15 Oct. 2026
The trailer begins as Ziegler’s Mae frantically asks family friend Benny, played by a sleepy Rob Lowe, for help after her big mistake — kissing the wrong brother between Graham Phillips’ Andrew and Elias Kacavas’ Theo.

— Nicole Fell, HollywoodReporter, 15 Oct. 2026

Definition of wrong

Adjective

The idea of not spending evenings with my kid is, kids are, is completely unacceptable.

— Michael Birnbaum The Washington Post, Arkansas Online, 14 Oct. 2026
OpenAI took months to discover the incident and notify the Australian agencies affected — that’s unacceptable by my standard.

— Rumman Chowdhury, Vogue, 13 Oct. 2026

Definition of unacceptable

Adjective

Measles usually kills two or three people in every 1,000 cases, the WHO says, but the disease can be more deadly in poorer nations because of factors such as malnutrition.

— Arkansas Online, Arkansas Online, 18 Oct. 2026
That receiver sends that poor defender into next week at the pylon.

— Zach Dean OutKick, FOXNews.com, 17 Oct. 2026

Definition of poor

Adjective

Bajaria may also have hit thin ice with Sarandos after the streamer won just 16 Primetime Emmy Awards this year — its worst showing since 2016 and down from 30 in 2025.

— Matt Donnelly, Variety, 16 Oct. 2026
The size of the boat, the distance from the tow boat's berth and how bad the boat is stuck will all factor into the final invoice.

— Joe Kinsey OutKick, FOXNews.com, 15 Oct. 2026

Definition of bad

Adjective

The travel investigation doesn't establish that the firm's engineering designs were deficient and nothing in the records independently establishes that the performance adjustment was improper.

— Tyler Horst, CBS News, 15 Oct. 2026
There’s lots of neutral hues available but the sunny yellow will brighten up any window-deficient bathroom.

— Audrey Lee, Architectural Digest, 6 Oct. 2026

Definition of deficient

Adjective

Despite the identically horrible records, these teams are in different places.

— Parker Gabriel, Denver Post, 9 Oct. 2026
In all, the Dodgers drowned out that horrible tomahawk chop with some mighty hacks of their own, winning 3-1 while finally displaying some of the desperation that had been missing.

— Los Angeles Times, Los Angeles Times, 7 Oct. 2026

Definition of horrible

Browse Nearby Words

vying

wack

wackiness

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“Wack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/wack. Accessed 20 Oct. 2026.

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Synonyms of wack

adjective

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