- Definitions|2
- Thesaurus|3k
- Abbreviations|0
561 entries under adjective topic. ×
| hard-line(strong, hard, tough, severe) | |
| merciless(person, hard, rough, harsh) | |
| pig-headed(determined, resolute, obstinate, stubborn) | |
| single-minded(tough, firm, harsh, cruel) | |
| strong-willed(determined, resolution, resolute, uncompromising) | |
| unchanging(moderate, severe, firm, harsh) | |
| bigoted(determined, resolute, rigid, obstinate) | |
| cruel(strong, hard, tough, severe) | |
| dour(severe, severity) | |
| hanging tough(expression, mean, hard, determined) | |
| hard-boiled(person, mean, strong, hard) | |
| indomitable(set, strong, hard, tough) | |
| intolerant(set, severe, fixed, rigid) | |
| pitiless(severe, harsh, cruel, determined) | |
| precise(hard, severe, rough, difficult) | |
| recalcitrant(tough, firm, unreasonable, fixed) | |
| resistant(hard, firm, determined, resolute) | |
| rock-ribbed(determined, resolute, uncompromising, unshakeable) | |
| self-willed(tough, firm, determined, resolute) | |
| tight(close, strong, hard, tough) |
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| APA | Smart Define. (2016). inflexible thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/inflexible/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "inflexible thesaurus" https://smartdefine.org/inflexible/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, inflexible thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/inflexible/thesaurus/synonyms>. |
| MLA | Smart Define. "inflexible thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/inflexible/thesaurus/synonyms> |