plural jailbreaks
Synonyms of jailbreaknext
1
or less commonly jail break plural jail breaks : a forcible escape from jail
2
: a method for overcoming the built-in limitations of something (such as an electronic device or artificial intelligence model)
Hackers have released a new jailbreak that any user can employ to gain root (see root entry 1 sense 8) access on any iPhone …iCrowdNewswire
That's not to say that clever AI users won't develop new jailbreak techniques that work on … other models in the future.Chris Smith

jailbreak

2 of 2

verb

jailbroke ˈjāl-ˌbrōk How to pronounce jailbreak (audio) ; jailbreaking; jailbreaks

transitive verb

: to remove built-in limitations from (something, such as an electronic device or artificial intelligence model)
Apple makes it nearly impossible for the average user to download apps from anywhere else unless you jailbreak your phone.Peter Wells
Last week we learned you can jailbreak every current model of Kindle.Thorin Klosowski
Instead, cyber criminals are forced to pivot to older, lower quality open-source AI models that are easier to jailbreak.Anna Desmarais
jailbreaking noun
Jailbreaking works by prompting an AI model in specific ways to circumnavigate its safeguards. Hugo Lowell et al.

Examples of jailbreak in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Adversa used a similar technique in a Gemini jailbreak attack, meaning making the Google LLM ignore its internal safety rules. Dan Goodin, ArsTechnica, 20 Aug. 2026 By June 30, the Anthropic controls had been lifted after new jailbreak and other safeguards were added. Eric Reicin, Forbes.com, 6 Aug. 2026
Verb
Check Point Research reported in 2025 that criminals were sharing jailbreak prompts for DeepSeek and using ChatGPT, Qwen and DeepSeek together to troubleshoot and optimize scripts for mass spam distribution. Ron Schmelzer, Forbes.com, 10 July 2026 Anthropic says whatever jailbreak the government found is not serious enough to warrant such a drastic action. Reed Albergotti, semafor.com, 13 June 2026 See All Example Sentences for jailbreak

Word History

First Known Use

Noun

1843, in the meaning defined at sense 1

Verb

2007, in the meaning defined above

Time Traveler
The first known use of jailbreak was in 1843

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Cite this Entry

“Jailbreak.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jailbreak. Accessed 26 Aug. 2026.

Kids Definition

jailbreak

noun
: an escape from jail by use of force

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