- Definitions|1
- Thesaurus|241
- Abbreviations|0
3 entries under unalterable topic. ×
| strict(adjective, hard, rigid, inflexible, obstinate) | |
| inalterable(adjective, hard, inflexible, intent) | |
| rigid(hard, inflexible, strict, obstinate, stubborn) |
For more, visit
Hard-and-fast on
Power Thesaurus
| APA | Smart Define. (2015). hard-and-fast thesaurus. Retrieved September 28, 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 28, 2026). |
| Harvard | Smart Define 2015, hard-and-fast thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hard-and-fast/thesaurus/synonyms>. |
| MLA | Smart Define. "hard-and-fast thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/hard-and-fast/thesaurus/synonyms> |