Definitions

1. adverb

beyond or outside the limits of a ship’s rail or a boat’s side.

“The sailor was thrown overboard during the storm.”

2. adverb

beyond what is normal or expected.

“His behavior was overboard, and he was asked to leave.”

3. noun

the act of throwing something over the side of a ship or boat.

“The captain ordered an overboard to get rid of the excess weight.”

4. noun

a person or thing that is no longer of use or value.

“The old car was sold for scrap, considered overboard by the manufacturer.”