Synonym: back, back down, back off, choke, choke off, clog, clog up, congest, foul, support. Similar words: pickup, pick up, check up, back, back of, back on, pay back, set back. Meaning: v. 1. give moral or psychological support, aid, or courage to 2. move backwards from a certain position 3. establish as valid or genuine 4. make a copy of (a computer file) especially for storage in another place as a security copy 5. become or cause to become obstructed.
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31. If you can't go up the hill forwards, you'll have to back up.
32. Just ignore him - he's only trying to put your back up.
33. The team cited evidence from a recent earthquake to back up their idea.
34. Tom got his back up when I said he was wrong.
35. Two lanes were closed by the accident, causing cars to back up for miles.
36. He hopped back up the stairs and took his pistol.
37. He's now back up on the slopes again, skiing competitively in events for the disabled.
38. He crept back up the stairs, trying to avoid the ones that creaked.
39. Make sure you back up the disk before you turn the computer off.
40. If I tell the police I was with you that day,[http://Sentencedict.com] will you back up my 'story/back me 'up?
41. The traffic was starting to back up in both directions.
42. No evidence was offered to back up the claim.
43. The car stopped and then began to back up.
44. I reached over and pulled her pants back up.
45. You got to get back up.
46. I run back up the hill to the cabin.
47. None of these writers produced research evidence to back up their claims, basing them exclusively on clinical practice and theoretical projections.
48. A complete breakdown of budget talks could push rates back up, at least temporarily, analysts concede.
49. Then it climbs back up to the top of the stigma rising from the ovary and rams the pollen ball into the top.
50. Certainly there were no big business deals or investment agreements to back up the good intentions expressed.
51. I went back up to the office and checked the contents[sentencedict.com], taking the items out one by one.
52. I return the papers to their envelope and start back up toward the cabin.
53. There is no scientific research to back up the company's claims.
54. It then climbs the inevitably steep hill back up to Alum chine on the return leg to Bournemouth.
55. I tapped his shoulder and pointed back up toward the hotel, then started walking in that direction.
56. When the required function has been selected the menu rolls back up into the menu bar leaving the screen clear.
57. The bairn started bringing his milk back up all the time when he was just a few days old.
58. Not when they wrung out sheets so tight the rinse water ran back up their arms.
59. Willie fought back the urge to leave, to scramble back up the embankment and join his mates as if nothing had happened.
60. Then a submersible pump, concealed in a sump, conveys it back up to a blockwork filter filled with Canterbury spar.
More similar words: pickup, pick up, check up, back, back of, back on, pay back, set back, hold back, cut back, call back, back away, keep back, feedback, go back to, backyard, look back, draw back, go back on, give back, fall back on, bring back, background, double back, date back to, back and forth, quarterback, look up, link up, work up.