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Meaning of DEAD LETTER

Pronunciation:  ded 'letur

WordNet Dictionary
  1. [n]  a letter that can neither be delivered nor returned
  2. [n]  the state of something that has outlived its relevance
 Synonyms: non-issue
 See Also: letter, missive, state



Thesaurus Terms
 Related Terms: aerogram, aimlessness, air letter, airgraph, billet-doux, bull, chain letter, dimissorial, dimissory letter, drop letter, emptiness, empty sound, encyclical, fan letter, form letter, futility, inanity, insignificance, letter of credit, letter of introduction, letters credential, letters of marque, letters of request, letters overt, letters patent, letters rogatory, love letter, meaninglessness, mere noise, monitory, newsletter, nixie, noise, nonsensicality, nullity, open letter, Pastoral Epistle, pastoral letter, phatic communion, poison-pen letter, purposelessness, round robin, senselessness, unmeaningness, unsignificancy