ALL meanings of curveball
- noun curveball a ball pitched in a curving path so as to make it more difficult to hit 3
- noun curveball something deceptive 3
- noun curveball curve (sense 6) 3
- noun curveball A ball that is pitched with a snap of the wrist and a strong downward spin, which causes the ball to drop suddenly and deceptively veer away from home plate. 1