അർത്ഥം : The state of something that has outlived its relevance.
പര്യായപദങ്ങൾ : non-issue
അർത്ഥം : Mail that can neither be delivered nor returned.
പര്യായപദങ്ങൾ : dead mail
Dead letter ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Dead letter ka matlab kya hota hai?