non·​he·​red·​i·​tary ˌnän-hə-ˈre-də-ˌter-ē How to pronounce nonhereditary (audio)
variants or non-hereditary
: not hereditary
a nonhereditary title
nonhereditary diseases

Examples of nonhereditary in a Sentence

Recent Examples on the Web Resulting from a random, typically nonhereditary genetic mutation, the disease affects about one in every 10,000 live births in the U.S. and can severely impact a person’s mental and physical development, and life span. Amanda Blanco,, 19 Sep. 2021 Other research shows that nonhereditary forms can result from other factors, including existing medical conditions and diet, reports Maya Yang of the Guardian. David Kindy, Smithsonian Magazine, 13 Aug. 2021 Evan, who turns 2 in December, was born with Prader-Willi syndrome, a rare, nonhereditary genetic disorder that has a most cruel and unusual symptom — chronic hunger. Maureen C. Gilmer, Indianapolis Star, 14 Sep. 2017

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

Word History

First Known Use

1695, in the meaning defined above

Time Traveler
The first known use of nonhereditary was in 1695

Dictionary Entries Near nonhereditary

Cite this Entry

“Nonhereditary.” Dictionary, Merriam-Webster, Accessed 19 Jun. 2024.

Medical Definition


variants or non-hereditary
: not hereditary
nonhereditary cancers

More from Merriam-Webster on nonhereditary

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