°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.
"Even the pitcher doesn't know where his knuckleball is going."
°An event that is hard to predict.
"Our vendor keeps throwing us knuckleballs."
synonyms:
flutterball, floater, dancer, butterfly ball
more»
, ghostball, bug