266 entries under noun topic. ×
| severeness | |
| sharpness(discipline, firmness, severity, harshness) | |
| toughness(easy, condition, discipline, firmness) | |
| validity | |
| violence(protest, objection, complaint) | |
| acerbity(discipline, firmness, severity, harshness) | |
| acrimony | |
| astringency | |
| conscientiousness(severity, harshness, strictness, exactness) | |
| grievance(trouble, difficulty, protest, lack) | |
| meticulousness(care, distinction, refinement, severity) | |
| obduracy(severity, harshness, strictness, obstinacy) | |
| predicament(difficulty, mess, situation, jam) | |
| punctiliousness(severity, harshness, strictness, exactness) | |
| rightness | |
| rigourousness | |
| trouble(blow, difficulty, distress, care) | |
| visitation(trouble, blow, distress, care) | |
| accurateness(precision, accuracy) | |
| annoyance(trouble, blow, distress, care) |
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| APA | Smart Define. (2015). rigor thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/rigor/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rigor thesaurus" https://smartdefine.org/rigor/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, rigor thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/rigor/thesaurus/synonyms>. |
| MLA | Smart Define. "rigor thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/rigor/thesaurus/synonyms> |