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Congruent vs Authentic - What's the difference?

congruent | authentic |

As adjectives the difference between congruent and authentic

is that congruent is corresponding in character while authentic is of the same origin as claimed; genuine.

congruent

English

Adjective

(wikipedia congruent) (en adjective)
  • Corresponding in character.
  • harmonious
  • (mathematics) Having a difference divisible by a modulus.
  • (mathematics) Coinciding exactly when superimposed.
  • (algebra) Satisfying a relation.

    • Usage notes

    * (en-usage-equal)

    Synonyms

    * congruous

    Derived terms

    * congruent number, congruent triangle

    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