WordReference Random House Unabridged Dictionary of American English © 2025
wack1  (wak),USA pronunciation [Slang.]
n. 
  1. Slang Termswacko.

adj. 
  1. Slang Termsvery bad:All drugs are bad, but crack is wack.
  2. Slang Termsextreme;
    far-out.
  • perh. back formation from wacky 1935–40

wack2  (wak),USA pronunciation v.t., v.i., n. 
  1. whack.

'wack' also found in these entries (note: many are not synonyms or translations):
wacko - wacky

Forum discussions with the word(s) "wack" in the title:


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