PRIMOGENITOR Synonyms: 37 Similar and Opposite Words

primogenitor

noun

ˌprī-mō-ˈje-nə-tər

Definition of primogenitor

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

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Recent Examples of Synonyms for primogenitor

Noun

The ancestors of today’s trees are some 20,000 times older than the oldest cities.

— Jeanna Bryner, Scientific American, 20 Oct. 2026
That would mean their ancestors had already reached the continent before the split occurred.

— Andrea Margolis, FOXNews.com, 19 Oct. 2026

Definition of ancestor

Noun

His grandparents owned restaurants and his grandfather was one of the first butchers to cut steaks for Morton Steakhouse.

— Donna Vickroy, Chicago Tribune, 22 Oct. 2026
The designer’s grandfather Mario and his brother Martino opened their luggage and luxury objects store under the Fratelli Prada banner 113 years ago in Milan’s Galleria Vittorio Emanuele II.

— Luisa Zargani, Footwear News, 22 Oct. 2026

Definition of grandfather

Noun

Cassegrain is the company’s third-ever CEO, following his father and grandfather.

— Joe Bobowicz, Vogue, 20 Oct. 2026
Born in Los Angeles in 1954 to parents who hailed from Chicago, his father, Warren, founded a tape duplication service and later served as vice president of sales at Sussex Records, which produced acts like R&B crooner Bill Withers.

— Carolina A. Miranda, Los Angeles Times, 20 Oct. 2026

Definition of father

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.

Browse Nearby Words

primo

primogenitor

primogenitors

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“Primogenitor.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/primogenitor. Accessed 28 Oct. 2026.

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Synonyms of primogenitor

noun

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