- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
| swingeing | |
| trenchant | |
| tyrannical(adjective, severity) | |
| unbending(adjective, severe, harsh, cruel, determined) | |
| unforgiving(adjective, harsh, cruel, determined, fierce) | |
| unrelenting(adjective, tough, severe, harsh, solid) | |
| vehement(adjective, strong, energetic, violent, powerful) | |
| virulent | |
| weighty(adjective, good, strong, hard, sound) | |
| absolute | |
| abusive(adjective, hard, severe, sharp, nasty) | |
| acerbic(adjective, severe) | |
| acidulous | |
| adamant(adjective, harsh, cruel, determined, fierce) | |
| adamantine(adjective, hard, severe, stiff, resolute) | |
| antagonistic(adjective, tough, severe, harsh, cruel) | |
| arrogant | |
| austerity | |
| ball of fire(expression, adjective, idiom, strong, energetic) | |
| basic(adjective, severe) |
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| APA | Smart Define. (2015). stringent thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/stringent/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stringent thesaurus" https://smartdefine.org/stringent/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, stringent thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/stringent/thesaurus/synonyms>. |
| MLA | Smart Define. "stringent thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/stringent/thesaurus/synonyms> |