| insensitivity(noun, quality, cruelty, coldness, pitilessness) |
| ruggedness(noun, quality, severity, atrocity, austerity) |
| ruthlessness(noun, quality, cruelty, coldness, pitilessness) |
| starkness(noun, quality, severity, atrocity, austerity) |
| sternness(noun, quality, cruelty, coldness, pitilessness) |
| unkindness(noun, quality, cruelty, coldness, pitilessness) |
| unpleasant sounds(expression, state, feeling, sound, voice) |
| acerbic(adjective, characteristic, toughness, atrocity, atrocity. toughness) |
| austere(adjective, characteristic, toughness, atrocity, atrocity. toughness) |
| awkward(adjective, characteristic, toughness, atrocity, atrocity. toughness) |
| barbarian(noun, adjective, characteristic, toughness, atrocity) |
| coarse(adjective, characteristic, toughness, atrocity, atrocity. toughness) |
| feeling(noun, state, sound, voice) |
| ferocious(adjective, characteristic, toughness, atrocity, atrocity. toughness) |
| grating(adjective, characteristic, toughness, atrocity, atrocity. toughness) |
| grim(adjective, characteristic, toughness, atrocity, atrocity. toughness) |
| inharmonious(adjective, characteristic, toughness, atrocity, atrocity. toughness) |
| merciless(adjective, characteristic, toughness, atrocity, atrocity. toughness) |
| oppressive(adjective, characteristic, toughness, atrocity, atrocity. toughness) |
| rough(adjective, characteristic, toughness, atrocity, atrocity. toughness) |