D defs.my
Entry 3 senses Webster, 1913

Advanced

/əd-vănst'/ · Ad·vanced · IPA /ədˈvænst/
01 a. In the van or front.
  1. 1.
    In the van or front.
  2. 2.
    In the front or before others, as regards progress or ideas; as, advanced opinions, advanced thinkers.
  3. 3.
    Far on in life or time.
    “A gentleman advanced in years, with a hard experience written in his wrinkles.” Hawthorne.
Phrases & compounds
Advanced guard — a detachment of troops which precedes the march of the main body.