dead letternoun
uk/ˌded ˈlet.ər/us/ˌded ˈlet̬.ɚ/dead letter noun (MAIL)
[ C ] a letter that cannot be delivered to the address written on it and cannot be returned to the person who sent it:
the dead-letter office
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Communications - the postal system
- certified mail
- consign
- direct mail
- express
- letterbox
- mail slot
- mailbag
- mass mailing
- p. and p.
- pillar box
- pin code
- PO
- postmaster
- shipping and handling
- snail mail
- stamp
- surface mail
- window
- zip code
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dead letter noun (LAW/AGREEMENT)
[ C usually singular ] a law or agreement that is no longer effective:
The ceasefire treaty was a dead letter as soon as it was signed, as neither side ever had any intention of keeping to it.
Thesaurus: synonyms and related words
Rules & laws
- black codes
- bylaw
- canon
- case law
- code of practice
- common law
- cyberlaw
- diktat
- dos
- edict
- equal protection
- international law
- leash law
- licensing laws
- mandatory
- red tape
- retroactive
- rule
- statute
- statutory
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