encrypt

verb
UK /ɪnˈkrɪpt/
US /ɪnˈkrɪpt/

To change information into a secret code so only the right people can read it.

She used a password to encrypt the message before sending it.


OTHER MEANINGS

2. To convert data into a form that hides its meaning from anyone without the key.

The app encrypts your photos so no one else can see them.

3. To put a message into a secret writing system.

Spies used to encrypt their letters with special symbols.

4. To protect information by making it unreadable to outsiders.

Banks encrypt your account details to keep them safe.