Adjective
    
  
    Blue-chip  
          
      
          
      
      
   
  
                  
                            
              
  
                  
                            
              
  
    
        considered to be a safe investment because of previous performance        
          
      
          
      
      
    
  
      Even blue-chip companies like Apple and Unilever are struggling as a result of the crisis.