slow up

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slow up

The car began to slow up as it approached the traffic light.

Definition

  1. Verb (intransitive):

    • To reduce one's speed or rate of movement; to begin moving or operating more slowly.
    • To become less active, intense, or productive.

  2. Verb (transitive):

    • To cause something or someone to reduce speed or proceed at a slower rate.
    • To cause a process or activity to become less rapid or efficient.
Usage
  • As an intransitive verb, "slow up" describes the subject itself decreasing in speed.
  • As a transitive verb, "slow up" takes a direct object, meaning to cause that object to become slower.
  • It is often used interchangeably with "slow down." The particle "up" does not imply an upward direction but functions as an intensifier or completive marker.
Examples
  • Intransitive use:
    • Traffic always slows up near the bridge during rush hour.
    • The machine began to slow up after running continuously for ten hours.
  • Transitive use:
    • The accident on the highway slowed up all the morning commuters.
    • Heavy paperwork can slow up the approval process significantly.
Advanced Usage
  • "slow up on [something]": To reduce the intensity, speed, or amount of a specific activity.
    • You should slow up on the caffeine if you're having trouble sleeping.
Variants and Related Words
  • Slow (verb): To reduce speed or cause to reduce speed. (e.g., )
  • Slow down (phrasal verb): A very common synonym for "slow up." (e.g., )
  • Decelerate (verb): A more formal synonym meaning to reduce speed.
  • Delay (verb): To cause to be late or slow progress, often due to an obstacle.
Synonyms
  • Decelerate
  • Retard (formal/technical)
  • Reduce speed
  • Hold up (in the context of causing delay)
  • Lag
Related Phrasal Verbs
  • Ease up: To reduce pressure, intensity, or speed, often in a gradual or gentle manner.
    • The rain should ease up by the evening.
  • Let up: To diminish in intensity, especially referring to something unpleasant.
    • The wind finally let up after the storm.
Related Idioms
  • Put the brakes on: To stop or slow something very decisively.
    • The new regulations put the brakes on the rapid expansion of the industry.
  • Lose momentum: To slow down due to a loss of driving force or energy.
    • The project lost momentum after the lead developer left.
slow up

The car began to slow up as it approached the traffic light.

Verb
  1. lose velocity; move more slowly
    • The car decelerated
  2. cause to proceed more slowly
    • The illness slowed him down
  3. become slow or slower
    • Production slowed

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