01 adv. Over the side of a ship; hence, from on board of a ship, into the water; as, to fall overboard.
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1.
Over the side of a ship; hence, from on board of a ship, into the water; as, to fall overboard.
Phrases & compounds
To throw overboard —
to discard; to abandon, as a dependent or friend.
To go overboard —
to go to an extreme; to overdo; as, he went overboard at the buffet and got an upset stomach.