- Definitions|1
- Thesaurus|566
- Abbreviations|0
| strictly(adverb, severely) | |
| grimly(adverb, severely) | |
| severely(adverb, fast, just, absolutely, sprightly) | |
| precisely(adverb, severely, thoroughly, fully, completely) | |
| exactly(adverb, just, thoroughly, fully, closely) | |
| meticulously(adverb, severely, thoroughly, fully, precisely) | |
| scrupulously(adverb, absolutely, thoroughly, fully, correctly) | |
| accurately(adverb, fastidiously) | |
| correctly(adverb, severely, really, thoroughly, fully) | |
| exactingly(adverb, severely, fastidiously) | |
| harshly(adverb, severely) | |
| rigidly | |
| sternly(adverb, severely) | |
| austerely(adverb, severely) | |
| carefully(adverb, fastidiously) | |
| conscientiously(adverb, severely, thoroughly, fully, precisely) | |
| dourly(adverb, severely) | |
| intensely(adverb, fast, sprightly, severely, seriously) | |
| particularly(adverb, absolutely, thoroughly, fully, completely) | |
| stringently(adverb, severely) |
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| APA | Smart Define. (2015). rigorously thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/rigorously/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rigorously thesaurus" https://smartdefine.org/rigorously/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, rigorously thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/rigorously/thesaurus/synonyms>. |
| MLA | Smart Define. "rigorously thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/rigorously/thesaurus/synonyms> |