| dispiteous | pitiless, merciless |
| impiteous | impetuous, violent, pitiless |
| ruthless | unpitying, pitiless, unsparing |
| Scythian | [pron: 'sithian] someone from Scythia, ancient region of E Europe; people known for pitilessness |
| stony | pitiless, unfeeling, obdurate |
| Tartar | someone from Tartary, C Asia; known for pitilessness; also, a stereotype of dark complexion |
| tyrannous | cruel, pitiless, oppressive |
| tyrant | pitiless ruffian, cruel villain |
| unpitied | pitiless, ruthless, unmerciful |
| wanton | merciless, cruel, pitiless |