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Definition of jailbreak

jailbreak

/ˈdʒeɪl.breɪk/
jail · break

Plural:jailbreaks
•
Past Simple:jailbroke
•
Past Participle:jailbroken
•
Present Participle:jailbreaking
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jailbreak Lexical Profile

jailbreak Game Scores & Validity

• noun

1

An escape from prison, especially one involving force or multiple inmates.

Example

"The historical documentary recounted a daring jailbreak from the island fortress."


2

An act or software tool that modifies a smartphone or other electronic device to remove restrictions imposed by the manufacturer or operator.

Example

"Installing an unverified jailbreak can void the device warranty and expose the system to security vulnerabilities."


3

A prompt or technique designed to bypass the safety filters and operational restrictions of an artificial intelligence model.

Example

"Security researchers tested the language model against adversarial jailbreaks before its public release."

Synonyms
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Antonyms
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• verb

1

To modify (a smartphone or other electronic device) to remove restrictions imposed by the manufacturer or operator, typically to allow the installation of unauthorized software.

Example

"He decided to jailbreak his old tablet so he could install a custom operating system."


2

To bypass the built-in safety guardrails and restrictions of (an artificial intelligence system) using specially crafted inputs.

Example

"The cybersecurity team attempted to jailbreak the chatbot to identify weaknesses in its content moderation."


3

To escape from prison, or to help (someone) escape from prison.

Example

"In the adventure novel, the protagonists plot to jailbreak their falsely accused ally."

Synonyms
View all synonyms for jailbreak
Antonyms
View all antonyms for jailbreak

Word Origin & Etymology

Formed in the early 20th century as a compound of 'jail' and 'break'. The computing sense emerged in 2007 among developers bypassing software restrictions on the original iPhone.

Cite this Entry


Wordmom. (2026). Definition of Jailbreak. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/jailbreak
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