| oppressive(adjective, hard, tough, severe, rough) |
| persuasive(adjective, good, strong, sound, right) |
| powerful(verb, adjective, good, strong, sound) |
| precision(noun, adjective, exact, strict, scrupulous) |
| rough(adjective, hard, severe, difficult, bleak) |
| sharp(adjective, strong, hard, severe, nasty) |
| unsparing(adjective, tough, severe, firm, harsh) |
| valid(verb, adjective, sound, right, reasonable) |
| accurate(adjective, exact, strict, scrupulous, detailed) |
| careful(adjective, exact, strict, scrupulous, detailed) |
| cutting(adjective, severe) |
| disciplined(adjective, severe) |
| inclement(adjective, hard, tough, severe, rough) |
| inexorable(adjective, severe, harsh, cruel, determined) |
| just(adjective, exact, strict, scrupulous, detailed) |
| keen(adjective, severe) |
| meticulous(adjective, severe) |
| obligatory(adjective, affected, duty, compulsion, strained) |
| tart(adjective, severe) |
| trustworthy(adjective, exact, strict, scrupulous, detailed) |