Oldness

Common synonyms include: advanced age, advanced years, age, age of retirement, an incurable disease, ancient times.

/ˈəʊldnəs/ noun

noun ·Uncommon ·Advanced level

Definitions

Noun

1
The state of being old; age. uncountable, usually
"This policy and reverence of age makes the world bitter to the best of our times; keeps our fortunes from us till our oldness cannot relish them."
2
the quality of being old; the opposite of newness wordnet
3
the opposite of youngness wordnet

"This policy and reverence of age makes the world bitter to the best of our times; keeps our fortunes from us till our oldness cannot relish them."

From Middle English oldnesse, from Old English ealdnes, ealdnyss (“oldness; age”), equivalent to old + -ness.