PROGENITOR /pɹəʊˈdʒɛn.ɪ.tə/ ► audio Scrabble 13 Words With Friends 16 Definition noun an ancestor in the direct line. — synonyms: primogenitor Examples “Abraham alias Ibrahim is the progenitor of both the Jewish and Arab peoples.”“ARPANET was the progenitor of the Internet.” See all 300 words you can make from PROGENITOR → 10-letter words Words starting with P Words ending with R ← Unscramble different letters