seminal

adjective

sem·​i·​nal ˈse-mə-nᵊl How to pronounce seminal (audio)
Synonyms of seminalnext
1
: of, relating to, or consisting of seed or semen
seminal discharge
2
: containing or contributing the seeds of later development : creative, original
a seminal book
seminally adverb

Examples of seminal in a Sentence

Kandel was awarded the Nobel Prize in medicine in 2000 for his seminal observation that it was in the action of the synapses between cells that memory existed, not in the cells themselves, and that a molecule called cyclic AMP was what allowed cells to retain memory over the long term. Michael Greenberg, New York Review of Books, 4 Dec. 2008
Writer Susan Sontag died December 28 at age 71 after a long battle with cancer. She left behind an impressive body of fiction and criticism, including her seminal 1960s essays "Notes on Camp" and "Against Interpretation." Allan Gurganus, Advocate, 1 Feb. 2005
I wonder if the curators who organized "Matisse Picasso" ever asked themselves why it was that Alfred H. Barr Jr., the first director of the Museum of Modern Art and the guiding spirit behind the museum's seminal exhibitions of both Picasso and Matisse, never mounted a show like the one that has now arrived at MoMA QNS. Such an exhibition might seem to be logical, almost inevitable for the Museum of Modern Art. Jed Perl, New Republic, 3 Mar. 2003
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.
When Benedict Nicolson published a seminal monograph on the artist in 1968, his subtitle was Painter of Light. Julian Bell, The New York Review of Books, 25 Apr. 2026 Their holdings include seminal works by Art Deco pioneer André Groult, architect Paul Dupré-Lafon, and cabinetmaker Eugène Printz, among others now coming to auction. Tessa Solomon, ARTnews.com, 22 Apr. 2026 Blue Ivy Carter's arrival was a seminal moment in pop culture in 2012. Stephanie Sengwe, PEOPLE, 22 Apr. 2026 Moist may be the seminal example, but there are certainly other words that people get grossed out by. Literary Hub, 21 Apr. 2026 See All Example Sentences for seminal

Word History

Etymology

Middle English, from Latin seminalis, from semin-, semen seed — more at semen

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of seminal was in the 14th century

Cite this Entry

“Seminal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seminal. Accessed 28 Apr. 2026.

Medical Definition

seminal

adjective
sem·​i·​nal ˈsem-ən-ᵊl How to pronounce seminal (audio)
: of, relating to, or consisting of seed or semen
seminal discharge

More from Merriam-Webster on seminal

Love words? Need even more definitions?

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

More from Merriam-Webster