lock

/lɒk/ or /lɔk/; /ˈlɒk/ or /ˈlɔk/ for the verb

Definitions

1. noun

a device for fastening or unlocking something, typically consisting of a bolt or bar that can be turned or lifted

“She turned the key in the lock and opened the door.”

2. noun

a person or thing that secures or holds something in place

“The lock on the wheel kept the car from rolling away.”

3. verb

to fasten or secure something with a lock

“Can you lock the cabinet for me?”

4. verb

to be unable to change or modify something

“The company’s profits are locked into the current economic conditions.”

Synonyms

  • barrier
  • fastener

Antonyms

  • unlock