cryp·​to·​gen·​ic ˌkrip-tə-ˈje-nik How to pronounce cryptogenic (audio)
: of obscure or unknown origin
a cryptogenic disease

Example Sentences

Recent Examples on the Web Hill died Thursday of cryptogenic organizing pneumonia, a rare lung condition, at his home in Omaha, Nebraska, a family spokesperson announced. Mike Barnes, The Hollywood Reporter, 9 Jan. 2023 The usual treatment for any cryptogenic TIA or stroke is cholesterol and blood pressure reduction, if indicated, plus an anti-platelet agent, like aspirin. Tony Dajer, Discover Magazine, 1 Oct. 2015

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cryptogenic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


crypto- + -genic

First Known Use

1873, in the meaning defined above

Time Traveler
The first known use of cryptogenic was in 1873

Dictionary Entries Near cryptogenic

Cite this Entry

“Cryptogenic.” Dictionary, Merriam-Webster, Accessed 4 Feb. 2023.

Medical Definition


cryp·​to·​gen·​ic ˌkrip-tə-ˈjen-ik How to pronounce cryptogenic (audio)
: of obscure or unknown origin
cryptogenic epilepsy
compare phanerogenic
Last Updated: - Updated example sentences
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