1
                    as in interest
                                                
              
          
                                                      a commercial or industrial activity or organization                                       
              
                             several banking concerns in the area                         
                
                                                                                                                                
        Synonyms & Similar Words
Relevance
                
                
                
              2
                    as in worry
                                                
              
          
                                                      an uneasy state of mind usually over the possibility of an anticipated misfortune or trouble                                       
              
                             the recent crime wave has caused a great deal of concern in the neighborhood                         
                
                                                                                                                                                                                                                    
        Synonyms & Similar Words
Antonyms & Near Antonyms
1
                    as in to cover
                                                
              
          
                                                      to have (something) as a subject matter                                       
              
                             the book concerns the challenges faced by children growing up in single-parent households                         
                
                                                                                                                                                                                                                    
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Antonyms & Near Antonyms
2
                    as in to affect
                                                
              
          
                                                      to be the business or affair of                                       
              
                             the problems of air and water pollution that concern all of us                         
                
                                                                                                                                
        Synonyms & Similar Words
3
                    as in to worry
                                                
              
          
                                                      to trouble the mind of; to make uneasy                                       
              
                             we were greatly concerned by reports that yet another previously unknown virus is now posing a threat                         
                
                                                                                                                                                                                                                    
        Synonyms & Similar Words
Antonyms & Near Antonyms
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  Merriam-Webster unabridged




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