Synonyms for (verb) back up

Synonyms: back, back up

Definition: establish as valid or genuine

Usage: Can you back up your claims?

Similar words: affirm, substantiate, support, sustain, corroborate, confirm

Definition: establish or strengthen as with new evidence or facts

Usage: his story confirmed my doubts; The evidence supports the defendant


Synonyms: clog, clog up, choke, choke off, congest, foul, back up

Definition: become or cause to become obstructed

Usage: The leaves clog our drains in the Fall; The water pipe is backed up

Similar words: jam, close up, block, impede, obstruct, obturate, occlude

Definition: block passage through

Usage: obstruct the path


Synonyms: back up

Definition: make a copy of (a computer file) especially for storage in another place as a security copy

Usage: You'd better back up these files!

Similar words: re-create, copy

Definition: make a replica of

Usage: copy that drawing; re-create a picture by Rembrandt


Synonyms: back down, back off, back up

Definition: move backwards from a certain position

Usage: The bully had to back down

Similar words: retire, retreat, pull away, pull back, recede, withdraw, draw back, move back

Definition: pull back or move away or backward

Usage: The enemy withdrew; The limo pulled away from the curb