slow down meaning and definition

SLOW DOWN verb

Definition of slow down (verb)

1. lose velocity; move more slowly
   • "The car decelerated"
   • synonyms: decelerate, retard, slow, slow up
   • antonym: accelerate
2. become slow or slower
   • "Production slowed"
   • synonyms: slack, slacken, slow, slow up
3. cause to proceed more slowly
   • "The illness slowed him down"
   • synonyms: slow, slow up
4. reduce the speed of
   • "He slowed down the car"
   • synonyms: decelerate
   • antonym: accelerate
5. become less tense, rest, or take one's ease
   • "He relaxed in the hot tub"; "Let's all relax after a hard day's work"
   • synonyms: decompress, loosen up, relax, unbend, unwind
   • antonym: tense