Home › Words › P › passbackpassbackpassback means the circumvention of an access restriction to a physical site by passing one's access card to another person after having entered.Among words judged in Lexicurio's Arena, passback ranks #29,855 of 42,749 for Qualifying.EtymologyDeverbal from pass back.nounThe circumvention of an access restriction to a physical site by passing one's access card to another person after having entered.e.g.“Because each card reader is programmed for either entrance or exit, users must pass in and out before being allowed to reenter, thus eliminating passback.” — 1988, Security Management, volume 32, numbers 1-6, page 107:Definitions & examples from Wiktionary (CC BY-SA 3.0).