- Definitions|1
- Thesaurus|219
- Abbreviations|0
26 entries under willful topic. ×
| inflexible(adjective, strong, hard, tough, severe) | |
| unyielding(adjective, strong, hard, tough, severe) | |
| tough(adjective, strong, hard, rough, firm) | |
| indomitable(adjective, strong, hard, tough, difficult) | |
| obdurate(adjective, strong, hard, tough, severe) | |
| obstinate(adjective, hard, tough, rough, firm) | |
| stubborn(adjective, strong, hard, tough, rough) | |
| unbending(adjective, strong, hard, tough, rough) | |
| awkward(tough, difficult, wild, obstinate, stubborn) | |
| difficult(tough, wild, awkward, obstinate, stubborn) | |
| headstrong(adjective, hard, tough, severe, rough) | |
| immovable(adjective, strong, hard, tough, difficult) | |
| incurable(tough, difficult, wild, awkward, obstinate) | |
| indocile(tough, difficult, wild, awkward, obstinate) | |
| insoluble(tough, difficult, wild, awkward, obstinate) | |
| locked(determined, obstinate, stubborn) | |
| mulish(adjective, strong, hard, tough, severe) | |
| pat(tough, difficult, wild, awkward, obstinate) | |
| perverse(tough, difficult, awkward, obstinate, stubborn) | |
| self-willed(tough, difficult, wild, awkward, obstinate) |
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| APA | Smart Define. (2015). hard-line thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/hard-line/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hard-line thesaurus" https://smartdefine.org/hard-line/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, hard-line thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/hard-line/thesaurus/synonyms>. |
| MLA | Smart Define. "hard-line thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/hard-line/thesaurus/synonyms> |