as in ancestor
a person who is several generations earlier in an individual's line of descent
the family held a huge reunion to mark the 200th anniversary of their primogenitors' arrival in America
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for primogenitor
Noun
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Local historians in Wyandotte County have long documented the arduous journeys that their ancestors, and those of many Kansas City, Kansas residents, made to find freedom from slavery.—
Sofi Zeman,
Kansas City Star,
15 Mar. 2026 -
The last universal common ancestor of all life on Earth, known as LUCA, is embedded in every being’s genes.—
Emma Gometz,
Scientific American,
15 Mar. 2026
Noun
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Set almost entirely within the confines of an apartment and its balcony, the story unfolds over the course of a few days and centers on an unexpected duel between a grandfather and his grandson.—
Melanie Goodfellow,
Deadline,
12 Mar. 2026
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The new Ozzy — named after her paternal grandfather, the former Black Sabbath frontman who died of a heart attack last July — clocked in a week ago at 7 pounds, 12 ounces, and 19 inches long, according to the photo.—
Assistant Editor,
Los Angeles Times,
12 Mar. 2026
Noun
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Decisions are made for him by his father (iconic horror director David Cronenberg) and his sister.—
Stephen Schaefer,
Boston Herald,
19 Mar. 2026
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The younger Khamenei has not made a public appearance since his father was killed in the war's opening salvos during which he reportedly was also wounded.—
DEMOCRAT-GAZETTE STAFF FROM WIRE REPORTS,
Arkansas Online,
19 Mar. 2026
Noun
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Beane is the progenitor of the Moneyball movement, the search for inefficiency in roster building that, today, has influenced every Major League Baseball front office.—
Evan Drellich,
New York Times,
12 Mar. 2026
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As magnetars spin rapidly, their rotating magnetic fields accelerate particles and then fire them out into material shed by the progenitor star during their supernova death.—
Robert Lea,
Space.com,
12 Mar. 2026
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Cite this Entry
“Primogenitor.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/primogenitor. Accessed 20 Mar. 2026.
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