127 entries under persistent topic. ×
| intense(adjective, complete, severe, total, harsh) | |
| merciless(adjective, harsh, cruel, determined, fierce) | |
| recalcitrant(adjective, tough, firm, obstinate) | |
| ruthless(adjective, severe, harsh, cruel, determined) | |
| unflinching(adjective, harsh, cruel, determined, fierce) | |
| unforgiving(adjective, harsh, cruel, determined, fierce) | |
| unqualified(adjective, intense, pure, resolute) | |
| bloody-minded(adjective, obstinate, insistent, dogged) | |
| confirmed(adjective, proper, determined, usual, regular) | |
| cussed(adjective, severe, firm, unreasonable, grim) | |
| froward(adjective, obstinate, insistent, dogged) | |
| hard-shell(adjective, strong, hard, tough, severe) | |
| inveterate(adjective, determined, usual, regular) | |
| invincible(adjective, obstinate, insistent, dogged) | |
| uncooperative(adjective, mean, hard, obstinate) | |
| unfaltering(adjective, intense, resolute, unqualified) | |
| unmovable(adjective, firm, cruel, fixed, resolute) | |
| wrongheaded(adjective, obstinate, insistent, dogged) | |
| abiding(adjective, intense, definite, fixed, resolute) | |
| bound(adjective, firm, harsh, cruel, determined) |
For more, visit
Rigid on
Power Thesaurus
| APA | Smart Define. (2015). rigid thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, rigid thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>. |
| MLA | Smart Define. "rigid thesaurus" 3 August 2015. Web. 21 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms> |