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Unique vs Authentic - What's the difference?

unique | authentic |

As adjectives the difference between unique and authentic

is that unique is being the only one of its kind; unequaled, unparalleled or unmatched while authentic is of the same origin as claimed; genuine.

As a noun unique

is a thing without a like; something unequalled or unparallelled.

unique

English

Adjective

(en adjective)
  • (not comparable) Being the only one of its kind; unequaled, unparalleled or unmatched.
  • *
  • *
  • * {{quote-book, year=1963, author=(Margery Allingham)
  • , title=(The China Governess) , chapter=3 citation , passage=‘[…] There's every Staffordshire crime-piece ever made in this cabinet, and that's unique . The Van Hoyer Museum in New York hasn't that very rare second version of Maria Marten's Red Barn over there, nor the little Frederick George Manning—he was the criminal Dickens saw hanged on the roof of the gaol in Horsemonger Lane, by the way—’}}
  • *
  • *
  • Of a feature, such that only one holder has it.
  • Particular, characteristic.
  • * '>citation
  • (proscribed) Of a rare quality, unusual.
  • * {{quote-book, passage=And as I look back, it seems to me that we were fairly unique , the sixty of us, in that there wasn’t one good mixer in the bunch.
  • , title=For Esmé—With Love and Squalor , author=J.D. Salinger , year=1950}}

    Usage notes

    The comparative and superlative forms more unique'' and ''most unique'', as well as the use of ''unique'' with modifiers as in ''fairly unique'' and ''very unique , are sometimes proscribed, with the reasoning that either something is unique or it is not.

    Synonyms

    (checksyns) * one of a kind * sui generis * singular

    Derived terms

    * uniqueness

    Noun

    (en noun)
  • A thing without a like; something unequalled or unparallelled.
  • * De Quincey
  • The phoenix, the unique of birds.

    authentic

    English

    Alternative forms

    * authentical, authentick, authenticke, authentique (all archaic)

    Adjective

    (en adjective)
  • Of the same origin as claimed; genuine.
  • The experts confirmed it was an authentic signature.
  • Conforming to reality and therefore worthy of trust, reliance, or belief.
  • The report was completely authentic .
    an authentic''' writer; an '''authentic''' portrait; '''authentic information
  • (music, of a Gregorian mode) Having the final as the lowest note of the mode.
  • (obsolete) authoritative
  • (Milton)

    Synonyms

    * (of the claimed origin) genuine, real, bonafide, bona fide, unfaked * (conforming to fact) reliable, trustworthy, credible, unfaked

    Antonyms

    * (not of the claimed origin) phony, fake; ingenuine

    Derived terms

    * authentically * authenticate * authentication * authenticity * authenticism * authenticist