dead letter box

noun

Synonym of dead drop; an espionage technique used to pass messages or items between two individuals at a secret, prearranged location.

Similar
dead drop
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Meanings

noundead letter box (plural dead letter boxes)

plural dead letter boxes

  1. Synonym of dead drop; an espionage technique used to pass messages or items between two individuals at a secret, prearranged location.

    Synonyms: dead drop

Synonyms & antonyms

nounSynonym of dead drop; an espionage technique used to pass messages or items between two individuals at a secret, prearranged location.

Similar
dead drop
Cite this entry
APA

dead letter box. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/dead%20letter%20box

MLA

“dead letter box.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/dead%20letter%20box. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “dead letter box,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/dead%20letter%20box.

Source: dead letter box on Wiktionary, CC BY-SA 4.0.