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lock down

lɒk daʊn

neutral
intermediate
Base verb:
lock
Particle:
down
Separable:
Yes

What does "lock down" mean?

  1. To secure a place by restricting entry or exit.
  2. To finalize or make something definite.

Examples

  • The school was locked down after a security threat.
  • We need to lock down the contract details by Friday.
  • The city was locked down during the pandemic.
  • Once we lock down the venue, we can send invitations.

How to use it

Became extremely common during COVID-19. The noun 'lockdown' is now everyday vocabulary.

Word order

Can be separated: 'lock the building down'. Also used intransitively.

Similar expressions

secure
seal off
finalize
confirm

Opposites

open up
release

Related phrasal verbs

  • turn down

    To reduce the volume, heat, or intensity of something

  • bring down

    To cause something to fall or collapse

  • go down

    To decrease in price, level, or amount

  • come down

    To decrease in price, level, or amount

  • break down

    To stop working or functioning (machines, vehicles)

  • put down

    To place something on a surface

Use it in a practice answer

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