Antonym: unzip. Similar words: zipper. Meaning: [zɪp] 
n. 1. a quantity of no importance 2. a code of letters and digits added to a postal address to aid in the sorting of mail 3. forceful exertion 4. a fastener for locking together two toothed edges by means of a sliding tab. v. 1. close with a zipper 2. move very fast.
n. 1. a quantity of no importance 2. a code of letters and digits added to a postal address to aid in the sorting of mail 3. forceful exertion 4. a fastener for locking together two toothed edges by means of a sliding tab. v. 1. close with a zipper 2. move very fast. 
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31. He pulled the zip of his leather jacket down slightly.
32. The helicopter can zip along at about 150 kilometres an hour.
33. A spoonful of mustard will give the dish some zip.
34. Then I went to the toilets and, horror of horrors, discovered that my zip had been undone.
35. This car goes with a bit more zip than my last one.
36. The new engine has given the car a lot more zip.
37. I'm just going to zip along to the shops - I won't be long.
38. The zip sticked because it was caught by a thread.
39. The jacket was fastened by a zip at the front.
40. If you're desperate for disk space you could zip the file and stick it on a floppy.
41. These trousers must have shrunk - I can't do the zip up.
42. You'd better zip your lip or you'll be in trouble!
43. I undo the zip on my jeans.
44. I can't do this zip up - it's stuck.
45. Sue ordered tickets for three shows,[sentencedict.com] but got zip.
46. Left or right hand side zip available.
47. But takeover speculation could give the stock some zip.
48. Can you zip my dress for me?
49. Neighborhood distinctions are arbitrary and often straddle zip codes.
50. Spike heads for the toilet-undoes his zip..
50. Sentencedict.com is a sentence dictionary, on which you can find excellent sentences for a large number of words.
51. Polly's hands tugged at his zip.
52. My jeans wouldn't zip up.
53. Action potentials zip down axons at about 225 miles per hour.
54. She reached for her bag and tore at the zip, dragging a T-shirt and jumper out.
55. She took his belt, unbuckled it, undid the top stud and his zip, and pulled the dark trousers down.
56. Design: zip neck, long sleeve top with lightly padded stand up collar.
57. Most of the zip codes with little or no comeback were concentrated in the East Bay and far North Bay.
58. The plastic zips are of reasonably good quality but small, with fiddly zip pulls on the pockets.
59. Shivering, she pulled up her anorak zip and turned to the left.
60. These conclusions were gleaned from housing price statistics for Bay Area zip codes.
More similar words: zipper.