Killbit

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A setting that disables a specific web browser plug-in, typically to prevent a security vulnerability from being exploited.

    "It is time for Adobe to announce the end-of-life date for Flash and to ask the browsers to set killbits on the same day."

Example

More examples

"It is time for Adobe to announce the end-of-life date for Flash and to ask the browsers to set killbits on the same day."

Etymology

From kill + bit; see bit (“binary digit”), i.e. an on/off setting.

Related phrases

plug inweb browser

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