back up

Definitions of back up
  1. verb
    move backwards from a certain position
    synonyms: back down, back off
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    type of:
    draw back, move back, pull away, pull back, recede, retire, retreat, withdraw
    pull back or move away or backward
  2. verb
    become or cause to become obstructed
    “The water pipe is backed up
    synonyms: choke, choke off, clog, clog up, congest, foul
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    Antonyms:
    unclog
    become or cause to become unobstructed
    types:
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    gum up
    stick together as if with gum
    crap up
    become obstructed or chocked up
    block, choke up, lug, stuff
    obstruct
    silt, silt up
    become chocked with silt
    type of:
    block, close up, impede, jam, obstruct, obturate, occlude
    block passage through
  3. verb
    give moral or psychological support, aid, or courage to
    synonyms: support
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    types:
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    sponsor
    assume responsibility for or leadership of
    buy at, frequent, patronise, patronize, shop, shop at, sponsor
    do one's shopping at; do business with; be a customer or client of
    aid, assist, help
    give help or assistance; be of service
    advance, boost, encourage, further, promote
    contribute to the progress or growth of
    undergird
    lend moral support to
    back, endorse, indorse, second
    give support or one's approval to
    alleviate, ease, facilitate
    make easier
    connive at, wink at
    give one's silent approval to
    assist, attend, attend to, serve, wait on
    work for or be a servant to
    benefact
    help as a benefactor
    help out
    be of help, as in a particular situation of need
    subserve
    be helpful or useful
    succor, succour
    help in a difficult situation
    expedite, hasten
    speed up the progress of; facilitate
    avail
    be of use to, be useful to
    care, give care
    provide care for
    bootstrap
    help oneself, often through improvised means
    foster, further
    promote the growth of
    spur
    incite or stimulate
    help
    contribute to the furtherance of
    carry
    take further or advance
    feed
    support or promote
    conduce, contribute, lead
    be conducive to
  4. verb
    establish as valid or genuine
    synonyms: back
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    type of:
    affirm, confirm, corroborate, substantiate, support, sustain
    establish or strengthen as with new evidence or facts
  5. verb
    make a copy of (a computer file) especially for storage in another place as a security copy
    “You'd better back up these files!”
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    type of:
    copy, re-create
    make a replica of
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