170 entries under difficulty topic. ×

3
trouble(noun, block, delay, blow, dispute)
2
bump(noun, informal, hindrance, problem)
2
complexity(noun, adversity, complication, snag)
2
defect(noun, trouble, disorder, weakness)
2
detriment(noun, trouble, disorder, weakness)
2
dilemma(noun, trouble, dispute, pain)
2
disability(noun, trouble, weakness, bar)
2
holdup(noun, check, block, delay)
2
impedance(noun, check, delay, arrest)
2
intricacy(noun, adversity, complication, snag)
2
knot(noun, trouble, pain, struggle)
2
limitation(noun, trouble, curb, bar)
2
manacle(weakness, burden, defect, impairment)
2
maze
2
stumbling stone(expression, problem)
2
vicissitude(noun, hindrance, problem, impediment)
1
can of worms(noun, expression, idiom, trouble, dispute)
1
albatross(noun, obstruction, impediment, hitch)
1
arduousness(noun, trouble, pain, struggle)
1
awkwardness(noun, trouble, pain, struggle)
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APASmart Define. (2015). obstacle thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/obstacle/thesaurus/synonyms
ChicagoSmart Define. 2015. "obstacle thesaurus" https://smartdefine.org/obstacle/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, obstacle thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/obstacle/thesaurus/synonyms>.
MLASmart Define. "obstacle thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/obstacle/thesaurus/synonyms>