- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
443 entries under adjective topic. ×
| proper(hard, correct, right, severe) | |
| stiff(hard, severe, rough, difficult) | |
| nice(noun, feature, correct, slight) | |
| close(feature, correct, slight, harsh) | |
| conscientious(thoughtful, sober, truth, honorable) | |
| uncompromising(hard, severe, rough, difficult) | |
| unyielding(strong, hard, tough, severe) | |
| particular(noun, correct, fine, solid) | |
| unerring(correct, solid, perfect, exact) | |
| difficult(hard, severe, rough, harsh) | |
| faithful(noun, correct, right, appropriate) | |
| punctual(correct, solid, exact, proper) | |
| right(noun, hard, complete, correct) | |
| explicit(noun, correct, solid, perfect) | |
| just(correct, right, appropriate, solid) | |
| thorough(thoughtful, sober, cautious, prudent) | |
| tough(strong, hard, severe, rough) | |
| obdurate(strong, hard, tough, severe) | |
| sharp(noun, correct, severe, harsh) | |
| tight(severe, careful, rigid, strict) |
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| APA | Smart Define. (2016). rigorous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/rigorous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "rigorous thesaurus" https://smartdefine.org/rigorous/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, rigorous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/rigorous/thesaurus/synonyms>. |
| MLA | Smart Define. "rigorous thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/rigorous/thesaurus/synonyms> |