off-speed

[ awf-speed, of- ]

adjective

1. slower than usual or expected, as a baseball pitch.

Example Sentences

And, in an interesting off-speed pitch, future Hall of Famer Pedro Martinez, perhaps the greatest pitcher of the era.

From The Daily Beast

He used the last lot of Indurate to make that booster, a device which he said would increase our take-off speed.

From Project Gutenberg