fastball

/ˌfæstˈbɔl/

Other forms: fastballs

Definitions of fastball

1. noun

   (baseball) a pitch thrown with maximum velocity
   “he swung late on the fastball”

   synonyms: bullet, heater, hummer, smoke

   types:

   slider

   a fastball that curves slightly away from the side from which it was thrown

   type of:

   delivery, pitch

   (baseball) the act of throwing a baseball by a pitcher to a batter