as in regarding
                                      
              
          
                                                      having to do with                                       
              
                             we had a meeting with the principal today concerning the new policy on student-run organizations                         
                
                                                                                                                                                                          
        Synonyms & Similar Words
Relevance
                
                
                
              1
                    as in covering
                                                
              
          
                                                      to have (something) as a subject matter                                       
              
                             the book concerns the challenges faced by children growing up in single-parent households                         
                
                                                                                                                                                                                                                    
        Synonyms & Similar Words
Antonyms & Near Antonyms
2
                    as in affecting
                                                
              
          
                                                      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 bothering
                                                
              
          
                                                      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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