Is “Knuckleball” a Scrabble word?
Yes
KNUCKLEBALL
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 Knuckleball
noun
1.A pitch thrown with the ball gripped on the fingertips and released with no rotation, which travels over an unpredictable path to the plate due to micro-turbulence in the air.
“Boston Red Sox pitcher Tim Wakefield is best known for his use of the knuckleball.”
2.An event that is hard to predict.
“Our vendor keeps throwing us knuckleballs.”
Synonyms: bug, butterfly ball, dancer, floater, flutterball, ghostball
verb
1.To pitch knuckleballs.