- Definitions|1
- Thesaurus|241
- Abbreviations|0
38 entries under hard topic. ×
| uncompromising(adjective, set, stiff, rigid) | |
| unswayable(adjective, set, stiff, rigid) | |
| adamant(resolute, rigid, inflexible, strict) | |
| adamantine(resolute, rigid, inflexible, strict) | |
| determined(resolute, rigid, inflexible, strict) | |
| dyed-in-the-wool(resolute, rigid, inflexible, strict) | |
| firm(rigid, inflexible, strict, obstinate) | |
| immovable(rigid, inflexible, strict, obstinate) | |
| implacable(resolute, rigid, inflexible, strict) | |
| indomitable(resolute, rigid, inflexible, strict) | |
| inexorable(resolute, rigid, inflexible, strict) | |
| obdurate(resolute, rigid, inflexible, strict) | |
| relentless(resolute, rigid, inflexible, strict) | |
| resolute(rigid, inflexible, strict, obstinate) | |
| rigorous(resolute, rigid, inflexible, strict) | |
| stiff(adjective, set, resolute, rigid) | |
| unrelenting(resolute, rigid, inflexible, strict) | |
| unyielding(rigid, inflexible, strict, obstinate) |
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| APA | Smart Define. (2015). hard-and-fast thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/hard-and-fast/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hard-and-fast thesaurus" https://smartdefine.org/hard-and-fast/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, hard-and-fast thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/hard-and-fast/thesaurus/synonyms>. |
| MLA | Smart Define. "hard-and-fast thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/hard-and-fast/thesaurus/synonyms> |