# encrypt

/ɛnˈkɹɪpt/ (US) · /ɛnkɹˈɪpt/ (UK) · CEFR B2 · Verb

Source: https://englishreference.com/word/encrypt
Updated: 2026-05-28

## Definition

to change information into a secret code so that only people with a special key can read it. You do this to keep your data safe from hackers.

For teachers: to convert data into a coded form to prevent unauthorised access. Transitive — requires a direct object representing the data or message being protected.

## Examples

- You should encrypt your files before sending them over the internet.
- The messaging app automatically encrypts all conversations to ensure that only the sender and receiver can view the content.
- Advanced encryption protocols are essential for securing financial transactions, as they ensure that sensitive data remains indecipherable to anyone intercepting the signal during transmission.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.