redundant

B2
US /ɹɪˈdɐn.dənt/ UK /ɹɪˈdʌn.dənt/
adj Freq #18103

Meanings

  1. 1
    adj

    Superfluous; exceeding what is necessary, no longer needed.

    It is allowed, that Senates and great Councils are often troubled with redundant, ebullient, and other peccant Humours, with many Diſeaſes of the Head and more of the Heart; […]

  2. 2
    adj

    Dismissed from employment because no longer needed.

    Four employees were made redundant.

  3. 3
    adj

    Duplicating or able to duplicate the function of another component of a system, providing backup in the event the other component fails.

    The two lines are mainly used for redundant and therefore fault-tolerant message transmission, but they can also transmit different messages.

  4. 4
    adj

    repetition of same sense in different words

  5. 5
    adj

    more than is needed, desired, or required

  6. 6
    adj

    Repetitive or needlessly wordy.

  7. 7
    adj

    Containing duplicate pathways to send a message.

Etymology

From Latin redundāns, present participle of redundō (“to overflow, redound”), from red- (“again, back”) + undō (“to surge, flood”), from unda (“a wave”).

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Thesaurus

Synonyms
2 adj · dismissed from employment... surplus to requirements
4 adj · repetition of same sense in... pleonastic
5 adj · more than is needed,... extra
More acervatimadscititiousdropsicalduplicateexcessiveexorbitantexpletiveextraneousextravagantgashgorged
Opposites
inadequatelackingneedednon-redundant
Word family
Derived forms georedundantirredundantnonredundantredundantantredundantlyredundundantreredundantsemiredundant
Related forms drenchedexpendableredoundredundanceredundancyturgid

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