| scrupulous(adjective, good, hard, complete, tough) |
| unchangeable(adjective, set, hard, regular, fixed) |
| bigoted(adjective, determined, resolute, obstinate, uncompromising) |
| flinty(adjective, strong, hard, tough, severe) |
| remorseless(adjective, harsh, resist, cruel, determined) |
| unmoving(adjective, severe, still, fixed, stiff) |
| unshakeable(adjective, determined, resolute, uncompromising) |
| unswerving(adjective, complete, total, intense, determined) |
| stiff-necked(adjective, mean, strong, hard, tough) |
| careful(adjective, close, correct, harsh, solid) |
| close(adjective, hard, tough, correct, severe) |
| conscientious(adjective, good, honest, fair, pure) |
| contrary(adjective, determined, resolute, persistent, obstinate) |
| cool(adjective, severe, cold, detached, unfriendly) |
| definite(adjective, hard, correct, severe, rough) |
| die-hard(adjective, resist, determined, resolute, persistent) |
| intolerant(adjective, set, severe, plain, straightforward) |
| narrow |
| punctilious(adjective, close, hard, tough, correct) |
| puritanical(adjective, tough, correct, moderate, severe) |