azo·​o·​sper·​mia (ˌ)ā-ˌzō-ə-ˈspər-mē-ə How to pronounce azoospermia (audio)
: absence of spermatozoa from the seminal fluid

Example Sentences

Recent Examples on the Web Our diagnosis was azoospermia due to Sertoli cell-only syndrome (which means the testicles fail to produce living sperm cells). Molly Longman,, 15 June 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'azoospermia.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


New Latin, from Greek azoos lifeless (from a- a- entry 2 + zōē life) + sperma semen, seed — more at sperm

First Known Use

1869, in the meaning defined above

Time Traveler
The first known use of azoospermia was in 1869

Dictionary Entries Near azoospermia

Cite this Entry

“Azoospermia.” Dictionary, Merriam-Webster, Accessed 29 May. 2023.

Medical Definition


: absence of spermatozoa from the seminal fluid compare aspermia
azoospermic adjective
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