Definition of presenility in English:

presenility

noun

Medicine
  • Premature senility, specifically presenile dementia. Also (rare); the presenile period of life.

Origin

Early 20th century; earliest use found in William Dorland (1864–1956), obstetrician. From pre- + senility, after presenile.

Pronunciation

presenility

/ˌpriːsɪˈnɪlɪti/