Synonyms for Nonagenarian:

• adj.

  •all (adjective)
  • nonagenarian.

• n.

  •
  • the elderly,
  • the old.
  •nonagenarian (noun)
  • old.

• Other synonyms:

  •
  • methuselah,
  • old folk,
  • octogenarian,
  • pensioner,
  • elderly,
  • sexagenarian,
  • the aged,
  • centenarian,
  • septuagenarian.
  •
  • senior.
  •Other relevant words:
  • patriarch,
  • sixty,
  • score,
  • teens,
  • presbyter,
  • Twenty-fourmo,
  • thirty-two,
  • fortnight,
  • old codger,
  • Grandam,
  • Sixteenmo,
  • fourteen,
  • thirteen,
  • old-timer,
  • twenty-four,
  • twelve,
  • nestor,
  • elder,
  • fifty,
  • two weeks,
  • Sexagenary,
  • fossil,
  • threescore,
  • Twelvemo,
  • seer,
  • dotard,
  • sixteen,
  • long dozen,
  • seventy,
  • geezer,
  • veteran,
  • Gammer,
  • fogey,
  • eleven,
  • pantaloon,
  • greybeard,
  • old chap,
  • old dog,
  • two dozen,
  • forty,
  • twenty,
  • old duffer,
  • gramps,
  • fourscore,
  • eighty,
  • curmudgeon,
  • ninety,
  • boxcars,
  • graybeard,
  • grandfather,
  • dodo,
  • Duodecimo,
  • gaffer,
  • fifteen,
  • boxcar,
  • crone,
  • dozen,
  • thirty-twomo,
  • sixty-fourmo,
  • old man,
  • twoscore,
  • old stager,
  • old geezer,
  • Grandsire,
  • twenty-five,
  • sixty-four,
  • older.

Antonyms for Nonagenarian:

• n.

  • Other antonyms:
    immature, young.

Hyponym for Nonagenarian:

• n.

  • person
    oldster, golden ager, senior citizen, old person.