Speed Sth Heart Meaning Move Faster Increase Synonym

Meaning: to move faster, or to increase the speed of something

• speed up When the lights turn amber, you should slow down, not speed up.
  
  
• speed sth up Drugs like cocaine and amphetamines speed the heart up, and they can even cause a heart attack.
  
  
• speed up sth If we don't speed up construction, we'll miss the completion date.