noun

• (computing) A modification to the firmware of an electronic device (typically a mobile phone or tablet) to allow the installation and use of software not officially supported by the device's manufacturer.
• (artificial intelligence) A prompt to a large language model which frees it from its ethical restrictions.
  "DAN has become a canonical example of what's known as a "jailbreak" — a creative way to bypass the safeguards OpenAI built in to keep ChatGPT from spouting bigotry, propaganda or, say, the instructions to run a successful online phishing scam. From charming to disturbing, these jailbreaks reveal the chatbot is programmed to be more of a people-pleaser than a rule-follower."
• (ice hockey) A rule present in some ice hockey leagues that causes a penalty to end if the short-handed team scores.
• (ice hockey) A rule present in some ice hockey leagues that causes a penalty to end if the short-handed team scores.

verb

• (transitive, computing) To modify the firmware of an electronic device, especially a mobile phone, in order to remove restrictions that prevent it from running unofficial software.
  "Unofficially, it has been possible to “Jailbreak” iOS and gain access to the underlying Unix and kernel environment, but this voids the warranty."
• (artificial intelligence) To free a large language model from its ethical restrictions using prompt injection.
  "ChatGPT is far from perfect. Twitter has been flooded with examples of "jailbreaking" ChatGPT — that is, tricking it into hallucinations or misalignment."
• (ice hockey) To score while short-handed in a league with the "jailbreak" rule.