| opinionated(adjective, determined, resolute, uncompromising, unshakeable) |
| ossified(adjective, determined, resolute, uncompromising, unshakeable) |
| pat(adjective, determined, resolute, uncompromising, unshakeable) |
| pertinacious(adjective, determined, resolute, uncompromising, unshakeable) |
| perverse(adjective, determined, resolute, uncompromising, unshakeable) |
| pigheaded(adjective, determined, resolute, uncompromising, unshakeable) |
| punitive(adjective, severe, harsh, cruel, reactive) |
| resolute |
| rigorous(adjective, hard, tough, severe, harsh) |
| sanguinary(adjective, hard, tough, harsh, cruel) |
| self-opinionated(adjective, determined, resolute, uncompromising, unshakeable) |
| self-willed(adjective, determined, resolute, uncompromising, unshakeable) |
| shameless(adjective, hard, tough, harsh, cruel) |
| single-minded(adjective, harsh, cruel, determined, fierce) |
| sour(adjective, hard, tough, harsh, cruel) |
| stop at nothing(expression, adjective, idiom, harsh, cruel) |
| straight-faced(adjective, person, feelings, emotions) |
| thoughtless |
| uncalled-for(adjective, mean, severe, harsh, cruel) |
| uncompassioned |