noun
                                                a hard kind of stone
                                                
                                                                                                Examples
                                                
                                                                                                        - a form of silica more opaque than chalcedony
 
                                                                                        
                                                noun
                                                a river in western Georgia that flows generally south to join the Chattahoochee River at the Florida border where they form the Apalachicola River
                                                                                                Synonyms
                                                
                                                                                                                                                                        Flint River
                                                                                                                                                            
                                                
                                                                                             
                                                                                        
                                                noun
                                                a city in southeast central Michigan near Detroit
                                                
                                                                                                Examples
                                                
                                                                                                        - automobile manufacturing
 
                                                                                        
                                                adjective
                                                showing unfeeling resistance to tender feelings
                                                                                                Synonyms
                                                
                                                
                                                                                                Examples
                                                
                                                                                                        - his flinty gaze
- the child's misery would move even the most obdurate heart