Back Up
[v] establish as valid or genuine; "Can you back up your claims?"
[v] become or cause to become obstructed; "The leaves clog our drains in the Fall"; "The water pipe is backed up"
[v] make a copy of (a computer file) esp. for storage in another place as a security cop; "You'd better back up these files!"
[v] move backwards from a certain position; "The bully had to back down"
[v] give moral or psychological support, aid, or courage to; "She supported him during the illness"
Related Information
Related Terms
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, bolster up, brace, budge, buoy up, buttress, carry, ce