hang on

Verb

• hold the phone line open
  • Please hang on while I get your folder
    

• be persistent, refuse to stop
  • he persisted to call me every night
    
  • The child persisted and kept asking questions
    

• fix to; attach
  • append a charm to the necklace
    

Related words

• Synonyms: 
  hold the line , hold on , persevere , persist , hang in , append , tag on , tack on , tack