Definition of toilsome
                                                                                                    
                                                                            (adj) 
                                                                                                                                                         characterized by 
effort to the 
point of exhaustion; 
especially physical effort; "worked their arduous way up the 
mining valley"; "a grueling campaign"; "hard labor"; "heavy work"; "heavy going"; "spent 
many laborious 
hours on the project"; "set a punishing pace"