Dead letter
Dead letter noun - Mail that can neither be delivered nor returned.
Show all Definitions
Synonyms for Dead letter
Dead mail is a synonym for dead letter. In some cases you can use "Dead mail" instead a noun phrase "Dead letter".
Dead mail
Dead mail noun - Mail that can neither be delivered nor returned.
Show all Definitions
Synonyms for Dead mail
Dead letter is a synonym for dead mail. You can use "Dead letter" instead a noun phrase "Dead mail".
Cite this Source
Dead mail and Dead letter. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/dead_letter/dead_mail
Dead letter & Dead mail. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/dead_letter/dead_mail>.
Dead mail or Dead letter. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/dead_letter/dead_mail.
Google Ngram Viewer shows how "dead letter" and "dead mail" have occurred on timeline