Synonyms for Oldster:

• n.

  •
  • the old,
  • the elderly.
  •elder (noun)
  • fore-bearer,
  • old fogeys,
  • fore bearers,
  • oldests,
  • fore-bearers,
  • fore bearer.
  •golden ager (noun)
  • goldenager.
  •old person (noun)
  • old person.
  •Other relevant words: (noun)
  • grandmother,
  • retired person,
  • oldtimer,
  • veteran,
  • old fogey,
  • doyenne,
  • golden ager,
  • golden-agers,
  • senior,
  • elderly person,
  • elder,
  • first-born,
  • pensioner,
  • senior citizen,
  • doyens,
  • old folk,
  • golden-ager,
  • ancients,
  • grand father,
  • grand-mother,
  • firstborn,
  • doyen.
  •senior (noun)
  • grandfather,
  • matriarch,
  • head,
  • patriarch.
  •senior citizen (noun)
  • old codger,
  • old woman,
  • old lady,
  • OAPS,
  • no spring chicken,
  • geriatric,
  • retirees,
  • old people,
  • old-age pensioner,
  • retired woman,
  • geriatrics,
  • old duffer,
  • old man,
  • retiree,
  • retired man,
  • old coot,
  • senior adult,
  • dowager,
  • old goat,
  • old-age pensioners,
  • old bag,
  • geezer.

• Other synonyms:

  •
  • elderly,
  • nonagenarian,
  • octogenarian,
  • sexagenarian,
  • old-timer,
  • methuselah,
  • septuagenarian,
  • the aged,
  • centenarian.
  •
  • ancient.
  •
  • old.

Antonyms for Oldster:

• n.

  • Other antonyms:
    child, juvenile, kid, youth, minor, cub, youngster, kiddie, adolescent.