Meaning : Lose (s.th.) or lose the right to (s.th.) by some error, offense, or crime.
You've forfeited your right to name your successor.
Meaning : Throw from a boat.
Synonyms : deep-six
Throw overboard ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Throw overboard ka matlab kya hota hai?