to completely spoil something so that it cannot continue in a successful way [= ruin]:
Injury threatened to wreck his sporting career.
It was drink that wrecked their marriage.
to damage something such as a building or vehicle so badly that it cannot be repaired:
The car was completely wrecked in the accident.
if a ship is wrecked, it is badly damaged and sinks:
destroy a ship
The ship was wrecked off the coast of Africa.