| | - adj.: indefatigable, inexhaustible, tireless, untiring, continuing to work, etc at the same rate without showing tiredness
| | | brutal, savage, acrimonious, brutish, brutal, animal, grim, barbaric, barbaric, evil, venomous, having evil thoughts and desires, feral, hard, appear gentile, gentile, insistent, insuppressible, baleful, baleful, adverse, unkind, venomed, vitriolic | | |
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