Is “Wack” a Scrabble word?
Yes
WACK
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Wack
/wæk/
noun
1.An eccentric; an oddball; a weirdo.
Synonyms: wackjob, wacko
adjective
1.Egregious.
2.Bad (not good), inauthentic, of an inferior quality, contemptible, lacking integrity, lame, or strange.
“Every record they ever made was straight-up wack.”
3.Crazy, mad, insane.