A2verb1K

Lock

UK /["/lɒk/","/lɒks/","/lɒkt/","/ˈlɒkɪŋ/"]/US /["/lɑːk/","/lɑːks/","/lɑːkt/","/ˈlɑːkɪŋ/"]/

Definition

to fasten something with a lock; to be fastened with a lock

In simple words: A device that keeps things secure and needs a key or combination to open.

Examples

  • Please make sure to lock the door before you leave.
  • He forgot to lock his bike, and it was stolen.
  • I will lock the window to keep the house safe.
  • The software can lock your files to prevent unauthorized access.
  • She had to lock her phone with a password for security.

Usage notes

Use 'lock' when talking about securing something, like a door or a bike. Avoid using it in very casual conversations where simpler terms like 'close' may be more appropriate.

Grammar pattern

lock + object

Memory hint

Think of a 'key' going into a 'lock' to remember how it secures something.

Collocations

  • carefully
  • automatically
  • electronically
  • forget to
  • be firmly locked
  • be securely locked
  • keep something locked
  • away
  • in
  • in
  • be safely locked
  • be securely locked

Synonyms

  • secure
  • fasten
  • seal
  • clamp
  • bind

Antonyms

  • unlock
  • open

Common mistakes

  • Confused with 'unlock', not realizing they are opposites.
  • Using 'lock' as a noun instead of a verb incorrectly.
  • Mispronouncing 'lock' as 'luck'.