Definition of primogenitor in English:


Syllabification: pri·mo·gen·i·tor
Pronunciation: /ˌprīmōˈjenətər


  • An ancestor, especially the earliest ancestor of a people; a progenitor.
    More example sentences
    • The primogenitor of countless domesticated breeds is the Red Junglefowl of southern Asia.
    • Does it remind us of the time way back in our racial memory when our primogenitors viewed in amazement the shadows dancing on the cave walls?
    • Regardless of whether Darwin is 100 percent correct and our primogenitors once walked on monkey hands, I doubt whether you'd find one person who would advocate that we deal with social problems in the same manner that baboons and chimps deal with them.


mid 17th century: variant of progenitor, on the pattern of primogeniture.

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