- Definitions|2
- Thesaurus|407
- Abbreviations|0
| rigidly(adverb, well, thoroughly, strongly, firmly) | |
| firmly(adverb, severely, strongly, definitely, sharply) | |
| bolt | |
| hardly | |
| solidly(adverb, severely, thoroughly, strongly, firmly) | |
| tightly(adverb, severely, thoroughly, strongly, firmly) | |
| inflexibly(adverb, inelastically) | |
| strongly(adverb, tenaciously) | |
| toughly(adverb, tenaciously) | |
| callously(adverb, rigidly) | |
| harshly | |
| resolutely(adverb, tenaciously) | |
| rigorously | |
| steadfastly(adverb, tenaciously) | |
| unyieldingly(adverb, inelastically) | |
| awkwardly | |
| enduringly(adverb, well, severely, thoroughly, strongly) | |
| obstinately(adverb, tenaciously) | |
| pluckily(adverb, tenaciously) | |
| securely(adverb, severely, thoroughly, strongly, firmly) |
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| APA | Smart Define. (2015). stiffly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/stiffly/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stiffly thesaurus" https://smartdefine.org/stiffly/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, stiffly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/stiffly/thesaurus/synonyms>. |
| MLA | Smart Define. "stiffly thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/stiffly/thesaurus/synonyms> |