verb

lock

to lock, to fasten, to secure

Don't forget to lock the door.

Don't forget to lock the door.

He locked his keys in the car.

He locked his keys in the car.

to lock ((sth.)) to fasten (sth.) with a key Don't forget to lock the door.

to lock ((sth.)) ((in/inside sth.)) to trap (sth.) somewhere by locking it He locked his keys in the car.

Synonyms: fasten, secure, bolt; Antonyms: unlock

From Old English 'lucan' meaning 'to close, to fasten'. Related to the noun 'lock'.

This is the action you perform on a 'lock' (the noun). You use a key to 'lock' the door.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.