Definition of longevous in English:

longevous

(also longaevous)

adjective

rare
  • Living a long time:

    ‘longevous species’
    • ‘For a long while, only Elizabeth Bishop appeared to be judged worthy of succeeding the longevous Miss Moore.’
    • ‘According to Bell's data, longevous parents add as much as twenty years to the average life span of their offspring.’
    • ‘Pathogens evolve at a higher rate than humans, or other large, longevous animals.’
    • ‘Longevous people as a rule were all married.’
    • ‘It was only when the old emperor proved more longevous and the Crown Prince was already fatally stricken with cancer of the larynx that attention came to focus on young Prince Wilhelm.’
    elderly, mature, aged, older, senior, advanced in years, up in years, getting on
    View synonyms

Origin

Late 17th century: from Latin longaevus, from longus long + aevum age.

Pronunciation:

longevous

/lɒnˈdʒiːvəs/