30 entries under noun topic. ×

3
barrier
3
hitch
3
hurdle
1
adversity
1
bar
1
barricade
1
boundary
1
complication
1
cross-piece
1
deterrent
1
difficulty
1
encumbrance
1
hang-up
1
hindrance
1
impediment
1
interference
1
maze
1
non-beneficial(hindrance, disadvantage, handicap)
1
obstruction
1
restriction
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APASmart Define. (2015). obstacle thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/obstacle/thesaurus/narrower
ChicagoSmart Define. 2015. "obstacle thesaurus" https://smartdefine.org/obstacle/thesaurus/narrower (accessed September 27, 2026).
HarvardSmart Define 2015, obstacle thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/obstacle/thesaurus/narrower>.
MLASmart Define. "obstacle thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/obstacle/thesaurus/narrower>