slow up Meaning, Definition & Usage

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

WordNet