Pronunciation: (ō'vur-bôrd", -bōrd"), [key]
1. over the side of a ship or boat, esp. into or in the water: to fall overboard.
2. go overboard, to go to extremes, esp. in regard to approval or disapproval of a person or thing: I think the critics went overboard in panning that new show.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.