clear up Meaning, Definition & Usage

1. verb make clear and (more) comprehensible
   clarify; elucidate.
   
   • clarify the mystery surrounding her death
2. verb finish a task completely
   finish up; get through; wrap up; mop up; polish off; finish off.
   
   • I finally got through this homework assignment
3. verb free (the throat) by making a rasping sound
   clear.
   
   • Clear the throat
4. verb become clear
   clear; light up; brighten.
   
   • The sky cleared after the storm
5. verb make free from confusion or ambiguity; make clear
   crystallise; illuminate; straighten out; elucidate; clear; crystallize; sort out; crystalise; shed light on; crystalize; enlighten.
   
   • Could you clarify these remarks?
   • Clear up the question of who is at fault

WordNet