Evercookie

noun

noun ·Rare ·Advanced level

Definitions

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

    "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/)."

Example

More examples

"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/)."

Etymology

From ever + cookie.

Related phrases

http cookie

More for "evercookie"

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.