Longman Dictionary of Contemporary English - zip

~1 n 1 BrE two lines of small metal or plastic pieces that slide together to fasten a piece of clothing; zipper especially AmE  (The zip on my skirt had broken. | do up/undo your zip (=close or open a piece of clothing using a zip))  (Your zip's undone at the back.) 2 informal if someone or something has zip, they can do something quickly and with a lot of energy  (This car goes with a bit more zip than my last one.) 3 AmE informal nothing at all or zero  (We beat them 10 to zip. | "How much money have you got left?" "Zip!") ~2 v zipped, zipping 1 T always + adv/prep to open or shut something using a zip + in/inside  (The money was safely zipped inside my jacket. | zip sth shut/open)  (Olsen zipped the bag shut.) 2 informal to do something or go somewhere very quickly + through/past/along etc  (We zipped through customs in no time.) 3 zip your lip AmE spoken used to tell someone not to say anything about something, or to tell them to be quiet  (You'd better zip your lip or you'll be in trouble!) zip up phr v 1 zip sth up to fasten a piece of clothing using a zip  (Zip your jacket up - you'll get cold.)  (- opposite unzip) 2 (zip someone up) to close the zip on a piece of clothing that someone else is wearing  ("Could you zip me up please? I can't reach.")