Dead letter box meaning

A dead letter box is a secret location used for exchanging covert messages or items.


Dead letter box definitions

Word backwards daed rettel xob
Part of speech Noun
Syllabic division dead / let-ter / box
Plural The plural of dead letter box is dead letter boxes.
Total letters 13
Vogais (3) e,a,o
Consonants (6) d,l,t,r,b,x

The term dead letter box refers to a system used by intelligence agencies or spies to exchange secret messages without directly contacting each other. This is done by placing messages in predefined locations such as a mailbox, under a park bench, or in some other discreet location.

Dead letter boxes are essential for maintaining secrecy and avoiding detection by adversaries. By using these covert methods of communication, agents can pass on valuable information without the risk of being caught or monitored.

History of Dead Letter Boxes

The concept of dead letter boxes has been used for centuries, dating back to ancient times when messengers would use hidden locations to leave or pick up messages. In modern times, this method has evolved to include sophisticated techniques and technologies to ensure secure communication.

How Dead Letter Boxes Work

Agents or parties involved in espionage activities would agree upon specific locations and signals to indicate the presence of a message. The message is then placed in the designated dead letter box at a prearranged time. The recipient would then retrieve the message using the agreed-upon signal.

These dead letter boxes are critical in intelligence operations, allowing agents to communicate important information without the risk of detection. By utilizing covert methods like this, agents can protect their identities and the sensitive information they are exchanging.


Dead letter box Examples

  1. The spy exchanged information using a dead letter box to avoid detection.
  2. The criminal organization used a dead letter box to communicate with its members discreetly.
  3. During the war, sensitive documents were hidden in a dead letter box for safekeeping.
  4. A secret admirer left a love letter in the dead letter box for their crush to find.
  5. The agent retrieved important instructions from the dead letter box under the bridge.
  6. A mysterious package was left in the dead letter box at the abandoned train station.
  7. The old mailbox in the corner was rumored to be a dead letter box used by spies in the past.
  8. Messages were passed between rival gangs using the dead letter box hidden in the park.
  9. The treasure map was hidden in a dead letter box for safekeeping until the right time.
  10. A lost kitten was found in the dead letter box outside the post office.


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  • Updated 31/03/2024 - 01:59:58