noun
                                                European strong-scented perennial herb with grey-green bitter-tasting leaves
                                                                                                Synonyms
                                                
                                                                                                                                                                        herb of grace
                                                                                                                                                                                                                                Ruta graveolens
                                                                                                                                                            
                                                
                                                                                                Examples
                                                
                                                                                                        - an irritant similar to poison ivy
 
                                                                                        
                                                noun
                                                leaves sometimes used for flavoring fruit or claret cup but should be used with great caution: can cause irritation like poison ivy
                                                
                                                                                             
                                                                                        
                                                noun
                                                sadness associated with some wrong done or some disappointment
                                                                                                Synonyms
                                                
                                                
                                                                                                Examples
                                                
                                                                                                        - he drank to drown his sorrows
- he wrote a note expressing his regret
- to his rue, the error cost him the game
 
                                                                                        
                                                noun
                                                (French) a street or road in France
                                                
                                                                                             
                                                                                        
                                                verb
                                                feel remorse for
                                                                                                Synonyms
                                                
                                                
                                                                                                Examples
                                                
                                                                                                        - feel sorry for
- be contrite about