- Definitions|2
- Thesaurus|1k
- Abbreviations|0
72 entries under difficulty topic. ×
| hardness(noun, support, control, power, strength) | |
| harshness(noun, force, power, easy) | |
| severity(noun, power, easy, condition) | |
| difficulty(noun, discipline, strictness, hardness) | |
| stiffness(noun, firmness, protection, security) | |
| formidability | |
| arduousness(noun, discipline, strictness, hardness) | |
| rigorousness(noun, easy, condition, discipline) | |
| roughness(noun, power, violence) | |
| complication(noun, hardness) | |
| strenuousness(noun, hardness, tedium, arduousness) | |
| tightness | |
| complexity | |
| onerousness | |
| oppressiveness | |
| adversity(noun, hardness) | |
| laboriousness | |
| trickiness | |
| wearying | |
| cantankerousness |
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| APA | Smart Define. (2015). toughness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/toughness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "toughness thesaurus" https://smartdefine.org/toughness/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, toughness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/toughness/thesaurus/synonyms>. |
| MLA | Smart Define. "toughness thesaurus" 21 December 2015. Web. 22 September 2026. <https://smartdefine.org/toughness/thesaurus/synonyms> |