- Definitions|0
- Thesaurus|96
- Abbreviations|0
51 entries under firm topic. ×
| stony(adjective, hard, solid, stiff) | |
| taut(adjective, hard, solid, stiff) | |
| tense(adjective, hard, solid, stiff) | |
| thick(adjective, hard, solid, stiff) | |
| thickened(adjective, hard, solid, stiff) | |
| tight(adjective, hard, solid, stiff) | |
| unbending(adjective, hard, solid, stiff) | |
| ungraceful(adjective, hard, solid, tense) | |
| unyielding(adjective, hard, solid, stiff) | |
| wooden(adjective, hard, solid, tense) | |
| unbendable(adjective, rigid, inflexible, unbending) |
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| APA | Smart Define. (2011). stiff as a board thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/stiff_as_a_board/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "stiff as a board thesaurus" https://smartdefine.org/stiff_as_a_board/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2011, stiff as a board thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/stiff_as_a_board/thesaurus/synonyms>. |
| MLA | Smart Define. "stiff as a board thesaurus" 24 May 2011. Web. 30 September 2026. <https://smartdefine.org/stiff_as_a_board/thesaurus/synonyms> |