Home › Words › G › ghostballghostballghostball means A type of pitch; the knuckleball.EtymologyFrom ghost + ball.nounA type of pitch; the knuckleball.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.flutterball 84% match — A type of pitch; knuckleball. vs ghostball →knuckler 76% match — A knuckleball. vs ghostball →knucklecurve 74% match — A type of pitch with characteristics of both a curveball and a knuckleball. vs ghostball →knuckleballer 73% match — A baseball pitcher known for throwing knuckleballs. vs ghostball →knuckleball 73% match — 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. vs ghostball →forkball 72% match — A baseball pitch, much like the sinker. vs ghostball →slowball 71% match — A pitch that is not a fastball or curveball; often a change-up. vs ghostball →gyroball 69% match — A spinning pitch thrown most commonly by Japanese baseball players. vs ghostball →