Definition of agerasia in English:

agerasia

noun

rare
  • The quality of not growing old; the non-appearance of the signs of age.

Origin

Early 18th century; earliest use found in Phillips's New World of Words. From post-classical Latin agerasia from Hellenistic Greek ἀγηρασία eternal youth (Galen) from ancient Greek ἀ- + γῆρας old age + -ία.

Pronunciation:

agerasia

/ˌadʒəˈreɪzɪə/