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primogenitor Line breaks: primo|geni¦tor
Pronunciation: /ˌprʌɪmə(ʊ)ˈdʒɛnɪtə/

Definition of primogenitor in English:


An ancestor, especially the earliest ancestor of a people; a progenitor.
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.

Words that rhyme with primogenitor

progenitor, senator
Definition of primogenitor in:
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