variants or less commonly genetical
Synonyms of geneticnext
1
: relating to or determined by the origin, development, or causal antecedents of something
2
a
: of, relating to, or involving genetics
b
: of, relating to, caused by, or controlled by genes
a genetic disease
genetic variation

-genetic

2 of 2

adjective combining form

1
: -genic sense 1
organogenetic
2
: -genic sense 2
psychogenetic

Examples of genetic in a Sentence

Adjective hemophilia and other genetic medical disorders
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Scientists also now know that chemical tags on DNA known as epigenetic markers can switch genes on and off, affecting the degree to which genetic traits produce symptoms. Roxanne Khamsi, The Atlantic, 7 July 2026 The study was also conducted in older adults in Sweden, so the findings may not apply equally to other populations with different diets, lifestyles or genetic backgrounds. Katia Hetter, CNN Money, 6 July 2026 But beyond these genetic remnants, the exact nature of any interactions between our species and Neanderthals is much more of a mystery. Jackie Flynn Mogensen, Scientific American, 6 July 2026 Othram, based in The Woodlands, Texas, specializes in advanced DNA testing and forensic genetic genealogy, a method that can help investigators identify suspects or unknown victims when traditional law enforcement databases do not produce a match. Sarah Rumpf-Whitten, FOXNews.com, 5 July 2026 See All Example Sentences for genetic

Word History

Etymology

Adjective

genesis

First Known Use

Adjective

1750, in the meaning defined at sense 1

Time Traveler
The first known use of genetic was in 1750

Browse Nearby Words

See all Nearby Words

Cite this Entry

“Genetic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/genetic. Accessed 13 Jul. 2026.

Kids Definition

genetic

adjective
: of, relating to, or involving genes or genetics
genetic research
also : caused or controlled by genes
a genetic disease

Medical Definition

genetic

adjective
1
: of, relating to, or involving genetics
2
: of, relating to, caused by, or controlled by genes
a genetic disease
genetic material
compare acquired sense 1

More from Merriam-Webster on genetic

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!