antipassback

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noun

A security mechanism preventing an access card or similar device from being used to enter an area a second time without first leaving it (so that the card cannot be passed back to a second person who wants to enter).

Scrabble 22
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Meanings

nounantipassback (uncountable)
  1. uncountableA security mechanism preventing an access card or similar device from being used to enter an area a second time without first leaving it (so that the card cannot be passed back to a second person who wants to enter).

Origin

From anti- + passback.

Full word history & related roots →
Cite this entry
APA

antipassback. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/antipassback

MLA

“antipassback.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/antipassback. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “antipassback,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/antipassback.

Source: antipassback on Wiktionary, CC BY-SA 4.0.