Synonyms for Growing old:

• adj.

  •obsolescent (adjective)
  • out of fashion,
  • out of date,
  • out-of-date.
  •Other relevant words: (adjective)
  • obsolescent.

• v.

  •age (verb)
  • mature,
  • grow,
  • wane,
  • grow old,
  • push,
  • ripen,
  • develop,
  • grow up,
  • put mileage on,
  • get along,
  • grow feeble,
  • decline,
  • deteriorate,
  • mellow.
  •aging (verb)
  • declining,
  • Maturing,
  • developing,
  • aging,
  • seasoning,
  • mellowing,
  • deteriorating,
  • enduring,
  • lasting,
  • ripening.

• Other synonyms:

  •Other relevant words (noun):
  • doting,
  • waning,
  • fading,
  • getting along,
  • wasting,
  • sinking,
  • senescent,
  • getting on,
  • ageing.

Antonyms for Growing old:

• v.

  • age
    decrease, halt, cease, increase, rise, stop, lessen.