English to English

verb (v)

• lose velocity; move more slowly

  kehilangan kecepatan; bergerak lebih perlahan

  Example:
  The car decelerated.
  

  Synonym:
  retard, slow, slow down, slow up
  Antonym:
  accelerate, quicken, speed, speed up
  

  source: wordnet30
• reduce the speed of

  mengurangi kecepatan

  Synonym:
  slow down
  Antonym:
  accelerate, speed, speed up
  

  source: wordnet30