78 entries under difficulty topic. ×
| perplexity | |
| pickle | |
| predicament | |
| quagmire | |
| quandary | |
| rasper | |
| scrape | |
| snag | |
| stew | |
| strain(tension, toughness, tightness) | |
| stumbling block(expression, toughness) | |
| teaser | |
| tedium | |
| tough job(expression, idiom) | |
| tough work(expression, idiom) | |
| tribulation(severity, harshness, toughness, conformity) | |
| trouble | |
| uphill work(expression, idiom) |
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| APA | Smart Define. (2015). hardness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/hardness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hardness thesaurus" https://smartdefine.org/hardness/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, hardness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/hardness/thesaurus/synonyms>. |
| MLA | Smart Define. "hardness thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/hardness/thesaurus/synonyms> |