SENILE
doddering, doddery, gaga, senile
(adjective) mentally or physically infirm with age; “his mother was doddering and frail”
Source: WordNet® 3.1
Etymology
Adjective
senile (comparative more senile, superlative most senile)
Of, or relating to old age.
(often, offensive) Exhibiting the deterioration in mind and body often accompanying old age; doddering.
Antonyms
• juvenile
Noun
senile (plural seniles)
(dated, medicine) A person who is senile.
Anagrams
• Inslee, enisle, ensile, lienes, silene
Source: Wiktionary
Se"nile, a. Etym: [L. senilis, from senex, gen. senis, old, an old
man: cf. F. sénile. See Senior.]
Definition: Of or pertaining to old age; proceeding from, or characteristic
of, old age; affected with the infirmities of old age; as, senile
weakness. "Senile maturity of judgment." Boyle. Senile gangrene
(Med.), a form of gangrene occuring particularly in old people, and
caused usually by insufficient blood supply due to degeneration of
the walls of the smaller arteries.
Source: Webster’s Unabridged Dictionary 1913 Edition