170 entries under difficulty topic. ×

5
impasse(noun, trouble, defeat, draw, blow)
5
interruption(noun, break, halt, restraint)
5
setback(noun, check, disorder, defeat, delay)
5
trammel(noun, disorder, block, weakness)
4
adversity(noun, trouble, pain, struggle)
4
burden(noun, trouble, disorder, weakness)
4
delay(noun, trouble, check, blow)
4
disincentive(noun, curb, restraint, arrest)
4
hang-up(noun, restraint, reserve, hindrance)
4
mountain(noun, block, restraint, hindrance)
3
joker(noun, informal, restraint, hindrance)
3
brake(noun, check, curb, restraint)
3
curb(noun, check, disorder, limit)
3
dead end(noun, expression, trouble, draw)
3
discouragement(noun, defeat, blow, catch)
3
drag(noun, disorder, defeat, blow)
3
embarrassment(noun, reserve, shyness, snag)
3
frustration(noun, trouble, pain, struggle)
3
predicament(noun, trouble, dispute, pain)
3
preventive(noun, curb, restraint, hindrance)
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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>