Pronunciation: (ā'jid for 1, 2, 5, 6; ājd for 1, 3, 4),[key] —adj. 1. having lived or existed long; of advanced age; old: an aged man; an aged tree. 2. pertaining to or characteristic of old age: aged wrinkles. 3. of the age of: a man aged 40 years. 4. brought to maturity or mellowness, as wine, cheese, or wood: aged whiskey. 5. Phys. Geog.old; approaching the state of peneplain.
—n. (used with a pl. v.) old people collectively (usually prec. by the): We must have improved medical care for the aged.