88 entries under difficult topic. ×

6
thorny(adjective, hard, delicate, complex)
6
unclear(adjective, hard, obscure, rough)
6
vague(adjective, clear, obscure, rough)
5
arcane(adjective, obscure, dark, strange)
5
disturbing(noun, adjective, obscure, uncertainty)
5
paradoxical(adjective, hard, obscure, uncertainty)
5
problematic(adjective, hard, tough, fancy, rough)
4
tangled(adjective, hard, obscure, complex)
4
tough(adjective, laborious)
4
uncertain(adjective, hard, severe, obscure, difficulty)
3
Byzantine(adjective, hard, fancy, obscure)
3
enigmatical(adjective, hard, strange, striking)
3
hard(adjective, fancy, obscure, complex)
3
misleading(adjective, false, striking, ambiguous)
3
problematical(adjective, hard, delicate, loose)
3
unintelligible(adjective, hard, obscure, rough)
2
Gordian(adjective, hard, fancy, obscure)
2
astounding(adjective, odd, striking, bizarre)
2
awkward(adjective, tough, delicate, complicated)
2
discomfiting(noun, adjective, confusion, uncertainty)
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APASmart Define. (2015). perplexing thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/perplexing/thesaurus/synonyms
ChicagoSmart Define. 2015. "perplexing thesaurus" https://smartdefine.org/perplexing/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, perplexing thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/perplexing/thesaurus/synonyms>.
MLASmart Define. "perplexing thesaurus" 30 July 2015. Web. 20 September 2026. <https://smartdefine.org/perplexing/thesaurus/synonyms>