44 entries under hard topic. ×

25
perplexing(verb, adjective, obscure, difficult)
21
confusing(verb, adjective, delicate, loose)
16
enigmatic(adjective, obscure, difficult, solid)
15
mysterious(adjective, obscure, delicate, strange)
14
knotty(adjective, tough, difficult, awkward)
10
bewildering(adjective, delicate, loose, complex)
9
confounding(adjective, delicate, complex, tricky)
9
difficult(adjective, obscure, strange, uncertain)
9
problematical(adjective, delicate, complex, tricky)
8
obscure(adjective, difficult, solid, strange)
8
unfathomable(adjective, obscure, difficult, solid)
7
complex(adjective, difficult, delicate, loose)
7
inexplicable(adjective, obscure, delicate, solid)
7
intricate(adjective, difficult, complex, awkward)
6
unclear(adjective, obscure, difficult, loose)
5
abstruse(adjective, obscure, difficult, dark)
5
opaque(adjective, obscure, difficult, unclear)
4
complicated(adjective, difficult, complex, awkward)
4
involved(adjective, difficult, complex, awkward)
4
paradoxical(adjective, delicate, complex, tricky)
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APASmart Define. (2015). baffling thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/baffling/thesaurus/synonyms
ChicagoSmart Define. 2015. "baffling thesaurus" https://smartdefine.org/baffling/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, baffling thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/baffling/thesaurus/synonyms>.
MLASmart Define. "baffling thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/baffling/thesaurus/synonyms>