97 entries under difficulty topic. ×

12
obstacle(noun, disorder, weakness, informal)
12
hitch(noun, disorder, weakness, burden)
10
snag(noun, disorder, weakness, burden)
9
impediment(noun, disorder, weakness, informal)
8
drawback(noun, disorder, weakness, burden)
8
hindrance(noun, disorder, weakness, restraint)
6
bar(noun, disorder, weakness, burden)
6
catch(noun, disorder, weakness, burden)
6
hang-up(noun, hindrance, problem, impediment)
6
hurdle(noun, disorder, weakness, burden)
6
obstruction(noun, disorder, weakness, restraint)
6
problem(noun, hindrance, bug, obstacle)
5
check(noun, weakness, hindrance, problem)
4
crimp(noun, restraint, arrest, hindrance)
4
crisis
4
hamper(noun, restraint, bump, hindrance)
4
pinch(touch, physical)
4
traverse(noun, restraint, bump, hindrance)
3
deterrent(noun, weakness, burden, hindrance)
3
emergency
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APASmart Define. (2015). rub thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/rub/thesaurus/synonyms
ChicagoSmart Define. 2015. "rub thesaurus" https://smartdefine.org/rub/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, rub thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/rub/thesaurus/synonyms>.
MLASmart Define. "rub thesaurus" 3 August 2015. Web. 22 September 2026. <https://smartdefine.org/rub/thesaurus/synonyms>