The opposite of youngness.

Roget 124: oldness etc. adj.^†; age, antiquity; cobwebs of antiquity.    maturity; decline, decay; senility etc. 128.    seniority, eldership, primogeniture.    archaism etc. (the past) 122; thing of the past, relic of the past; megatherium^†; Sanskrit.    tradition, prescription, custom, immemorial usage, common law.    ... show more

Roget 128: age; oldness^† etc. adj.; old age, advanced age, golden years; senility, senescence; years, anility^†, gray hairs, climacteric, grand climacteric, declining years, decrepitude, hoary age, caducity^†, superannuation; second childhood, second childishness; dotage; vale of years, decline of life, sear and yellow leaf" [Macbeth]; threescore years and ten; green old age, ripe age; longevity; time of life.    seniority, eldership; elders etc. (veteran) 130; firstling; doyen, father; primogeniture.    [Science of old age.] geriatrics, nostology^†.    ... show more

The quality of being old; the opposite of newness.

Polish: starość