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Extraneous vs Extemporaneous - What's the difference?

extraneous | extemporaneous |

As adjectives the difference between extraneous and extemporaneous

is that extraneous is not belonging to, or dependent upon, a thing; without or beyond a thing; foreign while extemporaneous is without preparation or advanced thought; offhand.

extraneous

English

Adjective

(-)
  • Not belonging to, or dependent upon, a thing; without or beyond a thing; foreign
  • to separate gold from extraneous matter
    Extraneous substances were found on my cup of water.
  • Not essential or intrinsic
  • Synonyms

    * (not belonging to) additional, alien, foreign, intrusive * (not essential) superfluous, extra

    Derived terms

    * extraneously * extraneousness

    extemporaneous

    English

    Adjective

    (en adjective)
  • without preparation or advanced thought; offhand
  • Synonyms

    * (without preparation) extemporal (archaic), improvised; see also