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Redundant vs Duplicate - What's the difference?

redundant | duplicate |

As adjectives the difference between redundant and duplicate

is that redundant is superfluous; exceeding what is necessary while duplicate is being the same as another; identical. This may exclude the first identical item in a series, but usage is inconsistent.

As a verb duplicate is

to make a copy of.

As a noun duplicate is

one that resembles or corresponds to another; an identical copy.

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

    * * * ----

    duplicate

    English

    Adjective

    (-)
  • being the same as another; identical. This may exclude the first identical item in a series, but usage is inconsistent.
    • This is a duplicate entry.

    Verb

    (duplicat)
  • to make a copy of
    • If we duplicate the information, are we really accomplishing much?
  • to do repeatedly; to do again
    • You don't need to duplicate my efforts.
  • to produce something equal to
    • He found it hard to duplicate the skills of his wife.

    See also

    * repeat

    Noun

    (en noun)
  • One that resembles or corresponds to another; an identical copy.
    • This is a duplicate , but a very good replica.
  • * Sir W. Temple
    • I send a duplicate both of it and my last dispatch.
  • (legal) An original instrument repeated; a document which is the same as another in all essential particulars, and differing from a mere copy in having all the validity of an original.
    • (Burrill)
  • The game of duplicate bridge.
  • * 1999 , Matthew Granovetter, Murder at the Bridge Table (page 6)
    • The momentary madness which infects bridge players occurs frequently at rubber bridge and duplicate ; and though it rarely results in murder, it often terminates marriages and close friendships
  • The game of duplicate Scrabble.

    • Synonyms

    * reproduction