Definition for Unprecedented:

• Not preceded by a like cause; not justified by the authority of a former example.

Synonyms for Unprecedented:

• adj.

  •all (adjective)
  • unprecedented.
  •exceptional (adjective)
  • marvelous,
  • phenomenal,
  • exotic,
  • sensational,
  • fabulous,
  • miraculous,
  • noteworthy,
  • peculiar,
  • un-ordinary,
  • superior,
  • wonderful,
  • fantastic,
  • notable,
  • outstanding,
  • outlandish,
  • Wonderous,
  • uncustomary,
  • excellent,
  • striking.
  •exceptional, original (adjective)
  • prodigious,
  • unrivaled,
  • modern,
  • eccentric,
  • outre,
  • out-of-the-way,
  • sui generis,
  • freakish,
  • signal,
  • anomalous,
  • idiosyncratic,
  • abnormal,
  • bizarre,
  • odd,
  • aberrant,
  • preternatural.
  •extraordinary (adjective)
  • fabbest,
  • sur-prising,
  • more curious,
  • out standing,
  • in conceivable,
  • incredible,
  • fabber,
  • in credible,
  • in-conceivable,
  • flasher,
  • un-wonted,
  • out of ordinary,
  • un-familiar,
  • sur prising,
  • in-credible,
  • extra-ordinary,
  • out ordinary,
  • flashest,
  • un wonted,
  • out the ordinary,
  • un familiar.
  •original (adjective)
  • untried,
  • innovational,
  • breaking new ground,
  • generative,
  • causal,
  • originative,
  • causative,
  • most novel,
  • Demiurgic.
  •singular (adjective)
  • avantgarde.
  •unaccustomed (adjective)
  • un accustomed,
  • un-accustomed,
  • un known,
  • un-known,
  • un expected,
  • un-expected.
  •uncommon (adjective)
  • in-comparable,
  • in imitable,
  • in-imitable,
  • un commonest,
  • in comparable,
  • un-commonest,
  • un-common,
  • un-commoner,
  • un commoner,
  • un common.
  •unheard-of (adjective)
  • Unrenowned,
  • little known,
  • little-known,
  • unheard of.
  •unique (adjective)
  • more unparagoned,
  • un paragoned,
  • more nonpareil,
  • un rivaled,
  • more primo,
  • most nonpareil,
  • most unexampled,
  • un exampled,
  • un-rivaled,
  • un-exampled,
  • un-matched,
  • more unexampled,
  • most primo,
  • un equaled,
  • most unparagoned,
  • un-paragoned,
  • un-real,
  • farout,
  • un-equaled.
  •unparalleled (adjective)
  • Champer,
  • beyond compare,
  • without equal,
  • world class,
  • world-class,
  • solid gold.
  •unsuspected (adjective)
  • inconceived.

• n.

  •
  • enormous,
  • considerable,
  • extensive,
  • huge,
  • big,
  • widely,
  • large,
  • substantial,
  • high,
  • great.
  •
  • unfamiliar,
  • different,
  • inventive.
  •unparalleled (noun)
  • single,
  • untoward.

• Other synonyms:

  •
  • unique.
  •
  • The.
  •unexcelled
  • unsurpassed.
  •unknown
  • unsuspected.

Paraphrases for Unprecedented:

• Equivalence

  • Adjective
    unmatched.
  • Proper noun, singular
    unmatched.
  • Verb, past tense
    unparalleled.
  • Verb, past participle
    unparalleled, unmatched.

• Independent

  • Adjective
    earlier, unequalled, unexpected, record-breaking, unsurpassed, unreported, ground-breaking, record-high, groundbreaking, untold, exceptional, unbeatable, incredible, unpubl., enormous, Undescribed, previous, preceding, unknown, unforeseen, unspeakable, unanticipated, historic, landmark, unseen, unbelievable, precedent-setting, monstrous, outstanding, rare, immense, uncommon, huge, one-off.

• Other Related

  • Adjective
    unrivalled, unheard-of, unparalleled, unheard, unique, unpublished, unrivaled, unusual, extraordinary, tremendous, outrageous.

Antonyms for Unprecedented:

• adj.

  • all
    precedented.
  • exceptional, original
    customary, Familiar, known, common, ordinary, poor, bad, unexceptional, normal, unremarkable, regular, standard, usual, commonplace.
  • Other antonyms:
    established, derivative, hackneyed, tried, conventional, traditional, imitative, warmed-over, tried and true, old, tired, time-honored.

• Other antonyms:

  • n.
    worn.

Unprecedented Sentence Examples:

• This is really unprecedented, Miss Calvert.

• I have decided, he said, raising his head at last, to do, I suppose, an utterly unprecedented thing.