evercookie

E1V4E1R1C3O1O1K5I1E1

noun

A special kind of HTTP cookie that is especially resistant to deletion by the user.

Scrabble 19
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Meanings

nounevercookie (plural evercookies)

plural evercookies

  1. InternetA special kind of HTTP cookie that is especially resistant to deletion by the user.

    A breed of cookie known as evercookie writes data to multiple locations to make it next to impossible ever to remove it completely (http://samy.pl/evercookie/).

    2014, Emmett Dulaney, Chuck Easttom, CompTIA Security+ Study Guide: SY0-401

Origin

From ever + cookie.

Full word history & related roots →
Cite this entry
APA

evercookie. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/evercookie

MLA

“evercookie.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/evercookie. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “evercookie,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/evercookie.

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