| strong(adjective, hard, tough, severe, sturdy) |
| stubborn(adjective, strong, hard, tough, severe) |
| violent |
| authoritarian(adjective, strong, hard, tough, severe) |
| caustic(adjective, severe) |
| cautious(adjective, wary, watchful) |
| clear-cut(noun, exact, precise, truth, accurate) |
| compressed |
| controlled |
| cutting(adjective, severe) |
| dead on(noun, exact, precise, accurate) |
| discriminating(adjective, close, correct, fine, solid) |
| distinct(noun, correct, solid, perfect, exact) |
| drastic(adjective, severe, harsh, cruel, brutal) |
| effortful(adjective, tough, rough, difficult, harsh) |
| express(noun, exact, precise, accurate) |
| fierce(adjective, hard, tough, harsh, intense) |
| fixed(adjective, hard, severe, stiff, rigid) |
| formidable(adjective, hard, tough, severe, rough) |
| hard-hearted(adjective, hard, tough, harsh, cruel) |