Definition of sexagenarian in English:

sexagenarian

noun

  • A person who is between 60 and 69 years old.

    • ‘Both men, now sexagenarians, have kept faithful to the classic styles.’
    • ‘Delegates will replace de Rossa as party president with another sexagenarian, Michael D Higgins.’
    • ‘The soft-spoken sexagenarian might seem an unlikely expert on talk.’
    • ‘Consider his last trip to Britain, when the sexagenarian visited his 97-year-old mother.’
    • ‘This sexagenarian does not have even a basic tool such as a good harmonium to aid him in singing to his heart's content.’

Origin

Mid 18th century: from Latin sexagenarius (based on sexaginta ‘sixty’) + -an.

Pronunciation

sexagenarian

/ˌsɛksədʒɪˈnɛːrɪən/