1
                    
        a
    
          
                                          
              
          
                                                      : higher in physical position, rank, or order                                      
              
                             
the upper lip
                                       upper management
                         
                
                    
        b
    
          
                                          
              
          
                                                      : farther inland                                      
              
                             
the upper Mississippi
                         
                
                    2
                    
                                          
              
          
                                                      : constituting the branch of a bicameral legislature that is usually smaller and more restricted in membership and possesses greater traditional prestige than the lower house                                      
                
                    
3
                    
        a
    
          
                                          
              
          
                                                      : constituting a stratum relatively near the earth's surface                                      
                
                    
        b
    
          
                                capitalized                                  
              
          
                                                      : being a later epoch or series of the period or system named                                      
              
                             
Upper Cretaceous
                                       Upper Paleolithic
                         
                
                    4
                    
                                          
              
          
                                                      : northern                                      
              
                             
upper Manhattan
                         
                
                    
                                
              
          
                                                      : one that is upper: such as                                      
                
                    
        a
    
          
                                          
              
          
                                                      : the parts of a shoe or boot above the sole                                      
                
                    
        b
    
          
                                          
              
          
                                                      : an upper tooth or denture                                      
                
                    
        c
    
          
                                          
              
          
                                                      : an upper berth                                      
                
                    
1
                    
                                          
              
          
                                                      : a stimulant drug                                      
                
                                
            especially                
          
                                                      : amphetamine                                      
            
            2
                    
                                          
              
          
                                                      : something that induces a state of good feeling or exhilaration                                      
                
                    
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  Merriam-Webster unabridged




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