From Longman Dictionary of Contemporary Englishzipzip1 /zɪp/ ●●● S3 noun 1 
[countable] British EnglishDC two lines of small metal or plastic pieces that slide together to fasten a piece of clothing SYN zipper American English The zip on my skirt had broken.do up/undo a zip Your zip’s undone at the back.2 [uncountable] informalENERGETIC speed, energy, or excitement This car goes with a bit more zip than my last one. A spoonful of mustard will give the dish some zip.3 [singular] American English informalNONE/NOTHING nothing at all or zero We beat them 10 to zip. ‘How much money do you have left?’ ‘Zip!’
[countable] British EnglishDC two lines of small metal or plastic pieces that slide together to fasten a piece of clothing SYN zipper American English The zip on my skirt had broken.do up/undo a zip Your zip’s undone at the back.2 [uncountable] informalENERGETIC speed, energy, or excitement This car goes with a bit more zip than my last one. A spoonful of mustard will give the dish some zip.3 [singular] American English informalNONE/NOTHING nothing at all or zero We beat them 10 to zip. ‘How much money do you have left?’ ‘Zip!’Examples from the Corpus
zip• Zips: a double zip which is smooth running with an inner draught baffle.• Sue ordered tickets for three shows, but got zip.• A white towel hung over its back and on the seat rested a brown canvas bag, its zip open.• He may be less than a month shy of turning 41, but his passes still carry plenty of zip.• If you want to join two bags together to make a double, make sure the zips are compatible.• Zips: the two-way zip is well protected inside with a baffle and has anti-snag webbing along its full length.zipzip2 verb (zipped, zipping) 1 [transitive]FASTEN/DO UP to fasten something using a zip ‘I’ll see you tomorrow, ’ said John, zipping his jacket.zip something shut/open Olsen zipped the bag shut. He zipped open the case (=unfastened it).zip something together The two sleeping bags can be zipped together to make a double.2 [intransitive always + adverb/preposition] informalFAST/QUICK to go somewhere or do something very quickly SYN whizz, zoomzip through/past/along etc We zipped through customs in no time.3 → zip it/zip your lip → zip up→ See Verb tableExamples from the Corpus
zip• The lower internal lining also sports a couple of pockets, one zipped.• Some of these fellas are several screens high, yet they zip around at lightning speed!• If you're mainly zipping around town or enjoying country lanes, 1.6 litres is all you need.• She was wearing a top that zipped at the neck.• He zipped himself up, partway.• He passes me on the right, zips in front of me and tailgates the guy ahead of me.• Perdita was trembling so badly that she could hardly zip up her boots.• A Simi Valley reader said her family loves the easy version she shares zipped up with sweet pickle relish.zip through/past/along etc• The spy-fly zipped along in her wake, down narrower, abandoned, grim alleys.• He zipped past one man, then two.• Just the right price to give added zip through the water.• The two joggers seemed surprised when a motorized wheelchair zipped past them on the downtown Denver sidewalk.• We zip through town, heading into the agricultural regions north and south of San Quintin.From Longman Business Dictionaryzipzip /zɪp/ verb (zipped, zipping) [transitive]COMPUTING to make a computer file smaller in order to store it or send itThe file has been zipped.→ See Verb tableOrigin zip1 1. (1800-1900) From the sound of something moving very quickly. 2. (1900-2000) zip code 