Meaning of longevous in English:

longevous

Pronunciation /lɒnˈdʒiːvəs/

adjective

(also longaevous)
rare
  • Living a long time.

    ‘longevous species’
    • ‘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.’
    • ‘Pathogens evolve at a higher rate than humans, or other large, longevous animals.’
    • ‘According to Bell's data, longevous parents add as much as twenty years to the average life span of their offspring.’
    • ‘Longevous people as a rule were all married.’
    • ‘For a long while, only Elizabeth Bishop appeared to be judged worthy of succeeding the longevous Miss Moore.’
    elderly, mature, aged, older, senior, advanced in years, up in years, getting on

Origin

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