punishing Synonyms

grueling backbreaking toilsome gruelling heavy hard laborious arduous operose retributory revenging ponderous rugged sentencing retributive retaliative punitory punitive punishment punisher punish punished profound severe sisyphean smiter punishingly back-breaking unbearable penalization penalise weighty wearying wearisome wearing uphill trying tough tiring tight taxing swingeing strenuous penalizing penological penalty disciplining disciplinary difficult demanding