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Redundant vs Extraneous - What's the difference?

redundant | extraneous |

As adjectives the difference between redundant and extraneous

is that redundant is superfluous; exceeding what is necessary while extraneous is not belonging to, or dependent upon, a thing; without or beyond a thing; foreign.

redundant

English

Adjective

(en adjective)
  • Superfluous; exceeding what is necessary.
  • Repetitive or needlessly wordy.
  • (chiefly, British) Dismissed from employment because no longer needed; as in "rendered redundant".
  • Duplicating or able to duplicate the function of another component of a system, providing back-up in the event the other component fails.
  • * 2013 , Tom Denton, Automobile Electrical and Electronic Systems , page 142:
    • The two lines are mainly used for redundant and therefore fault-tolerant message transmission, but they can also transmit different messages.

    Antonyms

    * non-redundant

    Related terms

    * redound * redundance * redundancy

    External links

    * * * ----

    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