50 entries under obscure topic. ×

6
vague(adjective, clear, rough, difficult)
5
arcane(adjective, difficult, dark, strange)
5
disturbing(noun, adjective, difficult, uncertainty)
5
paradoxical(adjective, hard, difficult, uncertainty)
4
abstract(hard, complex, tricky, complicated)
4
inscrutable(adjective, dark, sophisticated, mysterious)
4
tangled(adjective, hard, difficult, complex)
4
uncertain(adjective, hard, severe, difficulty)
3
Byzantine(adjective, hard, fancy, difficult)
3
hard(adjective, fancy, difficult, complex)
3
unintelligible(adjective, hard, rough, difficult)
2
Gordian(adjective, hard, fancy, difficult)
1
Daedalean(adjective, hard, fancy, difficult)
1
amphibological(adjective, rough, difficult, uncertain)
1
concealed(adjective, difficult, dark, strange)
1
deep(adjective, hard, tricky, complicated)
1
entangled(adjective, hard, fancy, difficult)
1
esoteric(hard, strange, tricky, complicated)
1
hidden(hard, strange, sophisticated, tricky)
1
meandering(hard, sophisticated, tricky, complicated)
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APASmart Define. (2015). perplexing thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/perplexing/thesaurus/synonyms
ChicagoSmart Define. 2015. "perplexing thesaurus" https://smartdefine.org/perplexing/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, perplexing thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/perplexing/thesaurus/synonyms>.
MLASmart Define. "perplexing thesaurus" 30 July 2015. Web. 21 September 2026. <https://smartdefine.org/perplexing/thesaurus/synonyms>