cryptonym

noun

cryp·​to·​nym ˈkrip-tə-ˌnim How to pronounce cryptonym (audio)
Synonyms of cryptonymnext
: a secret name

Word History

Etymology

crypt- + -onym

First Known Use

1862, in the meaning defined above

Time Traveler
The first known use of cryptonym was in 1862

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Cite this Entry

“Cryptonym.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cryptonym. Accessed 5 Jul. 2026.

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