328 entries under noun topic. ×

4
catch(disorder, difficulty, weakness, restraint)
4
constipation
4
cover(shade, care, guard, shield)
4
defense(support, care, restraint, guard)
4
earthwork(support, keep, defense, fortification)
4
entanglement(difficulty, hindrance, snag)
4
fortress(support, defense, fortification, stronghold)
4
frontier(border, borderline)
4
guard(support, care, shield, shelter)
4
impasse(hindrance, jam, obstruction, deadlock)
4
jam(block, hindrance, lump, obstacle)
4
parapet(support, block, bar, protection)
4
preventive(difficulty, hindrance, obstacle, obstruction)
4
stumbling-block
3
barrage
3
bastion(support, protection, defense, fortification)
3
blank wall(expression, catch, hindrance, lump)
3
burden(disorder, difficulty, weakness, hindrance)
3
complication(catch, difficulty, hindrance, problem)
3
congestion
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APASmart Define. (2015). barrier thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/barrier/thesaurus/synonyms
ChicagoSmart Define. 2015. "barrier thesaurus" https://smartdefine.org/barrier/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, barrier thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/barrier/thesaurus/synonyms>.
MLASmart Define. "barrier thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/barrier/thesaurus/synonyms>