Longevous

lon·gev·i·ty  (ln-jv-t, lôn-)

n. pl. lon·gev·i·ties

1.

a. Long life; great duration of life: His longevity vexed his heirs.

b. Length or duration of life: comparing the longevities of the two peoples.

2. Long duration or continuance, as in an occupation: had unusual longevity in the company; her longevity as a star.

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[Late Latin longaevits, from Latin longaevus, ancient : longus, long; see del-¹ in Indo-European roots + aevum, age; see aiw- in Indo-European roots.]

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lon·gevous (-jvs) adj.