94 entries under difficulty topic. ×
| dignus vindice nodus(expression, idiom) | |
| disadvantage(problem, bug, impediment, hitch) | |
| hardness | |
| holdup(problem, bug, impediment, hitch) | |
| hurdle(problem, bug, impediment, hitch) | |
| inconvenience(problem, bug, impediment, hitch) | |
| onerousness(laboriousness, strenuousness) | |
| operoseness(laboriousness, strenuousness) | |
| rigorousness(laboriousness, strenuousness) | |
| rub(problem, bug, impediment, hitch) | |
| tedium(toughness, hardness) | |
| tight spot(expression, fix, hole, bug) | |
| toughness | |
| uncertainty |
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| APA | Smart Define. (2015). knot thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/knot/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "knot thesaurus" https://smartdefine.org/knot/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, knot thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/knot/thesaurus/synonyms>. |
| MLA | Smart Define. "knot thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/knot/thesaurus/synonyms> |