THESAURUS
grow old
age, antiquate, become extinct, become obsolete, cheat the undertaker, date, decline, dodder, fade, fail, fossilize, fust, get along, get on, lose currency, molder, obsolesce, outdate, perish, rust, shake, shrivel, sink, superannuate, totter, turn gray, turn white, wane, waste away, wither, wizen, wrinkle
ROGET THESAURUS
grow old
Age
VB
be aged,
grow old, get old, age, decline, wane, dodder, senesce.