115 entries under difficulty topic. ×
| strenuousness(noun, trouble, pain, struggle) | |
| struggle(noun, trouble, pain, hardship) | |
| stumbling block(noun, expression, trouble, pain) | |
| subtlety(question, secret, puzzle, obscurity) | |
| thriller(question, secret, puzzle, obscurity) | |
| trial(noun, trouble, change, burden) | |
| tribulation(noun, trouble, burden, pain) | |
| trouble(noun, change, burden, pain) | |
| twister(question, secret, puzzle, knot) | |
| whodunit(question, secret, puzzle, obscurity) | |
| anguish(burden, suffering) | |
| calamity(noun, burden, disaster, problem) | |
| depression(burden, suffering) | |
| disease(burden, suffering) | |
| disorder(burden, suffering) | |
| grief(burden, suffering) | |
| hardness | |
| illness(burden, suffering) | |
| infirmity(burden, suffering) | |
| misery(burden, suffering) |
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| APA | Smart Define. (2015). crux thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/crux/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "crux thesaurus" https://smartdefine.org/crux/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, crux thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/crux/thesaurus/synonyms>. |
| MLA | Smart Define. "crux thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/crux/thesaurus/synonyms> |