noun

1. A person who is very old.

2. A person who lived in ancient times.

3. One of the senior members of the Inns of Court or of Chancery.

Synonyms: geriatric, oldster, senior citizen, antique, antecessor, forerunner, aged, eldern

adjective

1. Having lasted from a remote period; having been of long duration; of great age, very old.

   “an ancient city  an ancient forest”

2. Existent or occurring in time long past, usually in remote ages; belonging to or associated with antiquity; old, as opposed to modern.

   “an ancient author  an ancient empire”

3. (history) Relating to antiquity as a primarily European historical period; the time before the Middle Ages.