slow down

Verb

• 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
    

• reduce the speed of
  • He slowed down the car
    

• cause to proceed more slowly
  • The illness slowed him down
    

• become slow or slower
  • Production slowed
    

• lose velocity; move more slowly
  • The car decelerated
    

Related words

• Synonyms: 
  relax , loosen up , unbend , unwind , decompress , decelerate , slow , slow up , slack , slacken , retard
• Antonyms: 
  tense , tense up , accelerate , speed , speed up , quicken