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noun

jailbreak

/ˈdʒeɪlbrɛɪk/  ·  say it: JAYL·brayk

removing a device's manufacturer restrictions

In Technology & Computing

In more detail

1. (noun) an escape from prison

2. (verb) to escape from prison

3. (verb) to remove restrictions from a device (like a phone) to allow unauthorized software to be installed

Examples

How to use jailbreak

In its original sense, 'jailbreak' refers to a dramatic or determined escape from prison. In modern tech usage, it describes bypassing security restrictions on smartphones or devices to install unofficial apps or modifications. The tech usage is informal but widely understood. Context usually makes the intended meaning clear.

Register: informal

Common phrases

Synonyms

escape · breakout · break out · escape from custody · hack

Word family

jailbreaker (noun) · jailbreaking (gerund/present participle)

A common mistake

Learners sometimes confuse the spelling with 'jail break' (two words); while both forms appear, 'jailbreak' (one word) is increasingly standard, especially in tech contexts.

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