Synonyms for Antediluvian:

• adj.

  •age-old (adjective)
  • ageold,
  • well-established.
  •aged (adjective)
  • creaky,
  • creakier,
  • worse for wear,
  • over the hill,
  • been around,
  • senescent.
  •ancient (adjective)
  • primeval,
  • re mote,
  • re-mote,
  • more out of date,
  • more relic,
  • more fossil,
  • most relic,
  • by gone,
  • superannuated,
  • most fossil,
  • lot mileage,
  • by-gone.
  •antiquated (adjective)
  • fusty,
  • out worn,
  • out-worn,
  • most old-fangled,
  • most oldfangled,
  • most old fangled,
  • old fangled,
  • more oldfangled,
  • more old fangled,
  • most outworn,
  • more outworn,
  • more old-fangled.
  •early (adjective)
  • prevenient,
  • a bit previous,
  • Proleptical.
  •medieval (adjective)
  • more feudal,
  • un enlightened,
  • most feudal,
  • un-enlightened,
  • feudal.
  •musty (adjective)
  • dried-out,
  • dried out,
  • Mildewed,
  • mildewy,
  • frowzy.
  •obsolete (adjective)
  • horse and buggy,
  • hasbeen,
  • horse buggy,
  • dis-used,
  • most out-of-fashion,
  • more old hat,
  • most old hat,
  • most has been,
  • more out of fashion,
  • most disused,
  • dis carded,
  • most has-been,
  • more out-of-fashion,
  • most dinosaur,
  • more hasbeen,
  • more has-been,
  • more old-school,
  • most old-school,
  • un-fashionable,
  • more old school,
  • dis used,
  • more disused,
  • most old-hat,
  • most oldhat,
  • most old school,
  • oldschool,
  • has been,
  • most hasbeen,
  • more oldschool,
  • more oldhat,
  • oldhat,
  • more old-hat,
  • most oldschool,
  • un fashionable,
  • more dinosaur,
  • most out of fashion,
  • dead gone,
  • dis-carded,
  • more has been,
  • most anachronistic,
  • more anachronistic.
  •old (adjective)
  • elderly,
  • venerable,
  • primordial,
  • oldfangled,
  • of old,
  • cast-off,
  • wornout,
  • time-worn,
  • antique,
  • aged,
  • paleolithic,
  • castoff,
  • of yore.
  •olden (adjective)
  • old as hills,
  • old as the hills.
  •out-of-date; prehistoric (adjective)
  • old-fashioned.
  •outmoded (adjective)
  • un usable,
  • fossilized,
  • out-of-style,
  • more out-of-style,
  • more fossilized,
  • most out of style,
  • behind times,
  • unstylish,
  • most fossilized,
  • more out of style,
  • more unstylish,
  • un stylish,
  • un-usable,
  • un-stylish,
  • out of style,
  • most out-of-style,
  • most unstylish.
  •prehistoric (adjective)
  • pre-historic,
  • pre historic.

• n.

  •
  • ageing.
  •
  • start,
  • early.
  •ancient (noun)
  • primitive.
  •antediluvial (noun)
  • antediluvial.
  •antediluvian (noun)
  • archaic,
  • antediluvian patriarch.
  •person (noun)
  • antediluvian.
  •square (noun)
  • square.
  •stick-in-the-mud (noun)
  • obstinate persons,
  • person set in way,
  • person set ways,
  • obstinate people,
  • person set way,
  • old fogies.

• Other synonyms:

  •
  • decrepit,
  • out-of-date,
  • dilapidated,
  • aging,
  • moth-eaten,
  • worn-out,
  • olden,
  • worn,
  • ratty,
  • outdated,
  • tatty,
  • oldish,
  • fleabitten,
  • oldie,
  • throwback,
  • mangy,
  • rickety,
  • antiquity,
  • ancestor,
  • down-at-heel,
  • relic.
  •
  • old-time,
  • museum piece,
  • vintage,
  • battered,
  • remote,
  • beat up,
  • timeworn,
  • traditional,
  • shabby,
  • hoary.
  •
  • dull.

Antonyms for Antediluvian:

• adj.

  • out-of-date; prehistoric
    new, modern, up-to-date, current.
  • Other antonyms:
    brand-new, young, youthful, untried, unused, untested, vernal, novel, fresh, unworn, recent, latest.

Hyponym for Antediluvian:

• n.

  • person
    patriarch.