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Synonyms

wack

1 American  
[wak] / wæk /
Also whack

noun

  1. an odd, irrational, or unconventional person; wacko.

  2. a thing or things that are unsatisfactory, worthless, or of low quality.

    The show is mostly a lot of wack, with a couple of funny moments.


adjective

  1. extremely bad or inferior.

    The song is great, but the video is really wack.

  2. odd, irrational, or unconventional; wacky.

    I’m afraid the neighbors think we’re wack!

  3. extremely good.

    The guys scarfed down those wack cookies you made, and they're asking for more.

wack 2 American  
[wak] / wæk /

verb (used with or without object)

  1. whack.


wack British  
/ wæk, ˈwækə /

noun

  1. dialect friend; pal: used chiefly as a term of address

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of wack

First recorded in 1935–40; perhaps back formation from wacky; popularized in 1986 from the anti-crack mural by the U.S. pop artist Keith Haring (1958–90), which bore the slogan “Crack is wack”

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

I’m assuming they were blended in well, which is good, because gummy candy in a milkshake kind of seems wack.

From Los Angeles Times • Feb. 10, 2024

“I’m not an election denier,” he said, adding, “I’m not this crazy tinfoil-hat conspiracy wack job.”

From Seattle Times • Sep. 15, 2023

When words and phrases like "wack job," "mentally deranged" and "dotard" are exchanged, it's no surprise the U.S. and North Korea aren't allies.

From Fox News • Feb. 12, 2020

But it’s pretty wack that they can’t temper their loathing for children enough to be kind to the sole member of the crew who is eagerly anticipating motherhood.

From Slate • Jan. 8, 2020

Or better yet, maybe he was just a selfish poseur, using his daddy as an excuse to be wack.

From "When I Was the Greatest" by Jason Reynolds

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