keep up

Verb

• prevent from going to bed at night
  • The anticipation of the trip kept the children up all night
    
  • I kept myself up all night studying for the exam
    

• keep informed
  • He kept up on his country's foreign policies
    

• keep in safety and protect from harm, decay, loss, or destruction
  • We preserve these archeological findings
    
  • The old lady could not keep up the building
    
  • children must be taught to conserve our national heritage
    
  • The museum curator conserved the ancient manuscripts
    

• lengthen or extend in duration or space
  • We sustained the diplomatic negotiations as long as possible
    
  • prolong the treatment of the patient
    
  • keep up the good work
    

• maintain a required pace or level
  • He could not keep up and dropped out of the race
    

Related words

• Synonyms: 
  keep abreast , follow , conserve , preserve , maintain , prolong , sustain