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Related to dead letter: Dead letter mail
1. An unclaimed or undelivered letter that after a period of time is destroyed or returned to the sender by the postal service.
2. A law, rule, or precedent still formally in effect but no longer valid or enforced.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Communications & Information) a letter that cannot be delivered or returned because it lacks adequate directions
2. (Law) a law or ordinance that is no longer enforced but has not been formally repealed
3. informal anything considered no longer worthy of consideration
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. a letter that is not deliverable or returnable by the post office.
2. a law no longer enforced but not formally repealed.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||dead letter - the state of something that has outlived its relevance|
state - the way something is with respect to its main attributes; "the current state of knowledge"; "his state of health"; "in a weak financial state"
|2.||dead letter - mail that can neither be delivered nor returned|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.