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back up

verb

1 back up

Give moral or psychological support, aid, or courage to.

synonym: support.

Roget 215: be supported &c.; lie on, sit on, recline on, lean on, loll on, rest on, stand on, step on, repose on, abut on, bear on, be based on ... show more

Dutch: ondersteunen, steunen



2 back up

Move backwards from a certain position.

synonyms: back down, back off.

Dutch: achteruitrijden

3 back up

Establish as valid or genuine:
— Can you back up your claims?.

synonym: back.

Roget 707: aid, assist, help, succor, lend one's aid; come to the aid etc. n.. of; contribute, subscribe to; bring aid, give aid, furnish aid, ... show more

4 back up

Make a copy of (a computer file) especially for storage in another place as a security copy.

Dutch: teruggaan

5 back up

Become or cause to become obstructed.

synonyms: choke, choke off, clog, clog up, congest, foul.

Dutch: ophopen


Moby thesaurus: act for, advance, affirm, afford support, answer for, appear for, ascend, attest, authenticate, back, back away, back off, backpedal, backtrack, backtrail, backwater, bear, bear out, bear up, bolster ... show more.

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