142 entries under firm topic. ×
| unpermissive(adjective, severe, harsh, rigid) | |
| uptight(adjective, severe, harsh, rigid) | |
| willful(strong, hard, sharp, awkward) | |
| calm(adjective, strong, secure, solid) | |
| balky(unreasonable, grim, inflexible, obstinate) | |
| compacted(adjective, stiff, rigid, stubborn) | |
| consolidated(adjective, stiff, rigid, stubborn) | |
| contumacious(unreasonable, grim, inflexible, obstinate) | |
| dead set(expression, adjective, severe, harsh) | |
| incompressible(adjective, informal) | |
| opinionated(unreasonable, grim, inflexible, obstinate) | |
| packed(adjective, stiff, rigid, stubborn) | |
| prudish(adjective, severe, harsh, rigid) | |
| puritanical(adjective, severe, harsh, rigid) | |
| rebellious(unreasonable, grim, inflexible, obstinate) | |
| square(adjective, severe, harsh, rigid) | |
| stickling(adjective, severe, harsh, rigid) | |
| straight(adjective, severe, harsh, rigid) | |
| strait-laced(adjective, severe, harsh, cruel) | |
| stuffy(adjective, severe, harsh, rigid) |
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| APA | Smart Define. (2016). tough thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/tough/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "tough thesaurus" https://smartdefine.org/tough/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, tough thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/tough/thesaurus/synonyms>. |
| MLA | Smart Define. "tough thesaurus" 30 March 2016. Web. 29 September 2026. <https://smartdefine.org/tough/thesaurus/synonyms> |