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Phrasal verb

slow down

intransitive phrasal verb
UK /ˈsləʊ daʊn/
US /ˈsloʊ daʊn/

Meanings

intransitive phrasal verb

To reduce speed; to go more slowly.

slow down: To reduce speed; to go more slowly.
transitive phrasal verb

To make something happen more slowly; to reduce the speed of a process or activity.

slow down: To make something happen more slowly; to reduce the speed of a process or activity.
intransitive phrasal verb

To calm down and take more time; to stop rushing.

slow down: To calm down and take more time; to stop rushing.

Definition

To slow down means to reduce speed or activity and move or happen less quickly.

To slow down is to do something at a lower speed or pace than before. It can describe a person, a vehicle, a process, or a general level of activity. People also use it as a request to be less fast so others can follow or stay safe.

Examples

  • I need to slow down when I read this accent.
  • Could you slow down so I can keep up?
  • He slowed down at the corner because the road was wet.
  • The technician slowed down the machine to check the vibration.
  • They slowed down and enjoyed the walk through the park.

Common mistake

Learners often say "slow down the speed" instead of simply "slow down" or "reduce the speed."