134 entries under obscure topic. ×

1
highbrow(adjective, knowledgeable, cultured, educated)
1
imperceivable(dark, secret, unknown, hidden)
1
in the dark(expression, idiom, dark, unknown)
1
indiscernible(dark, secret, unknown, hidden)
1
invisible(dark, deep, mysterious, unknown)
1
jumbled(adjective, difficult, sophisticated, involved)
1
magic(deep, mysterious, supernatural, spiritual)
1
magical(strange, deep, mysterious, unknown)
1
meandering(hard, sophisticated, tricky, complicated)
1
mixed(adjective, hard, fancy, difficult)
1
orphic(complex, deep, thoughtful, mysterious)
1
out-of-the-way(complex, unknown, clandestine, underground)
1
out of view(expression, idiom, dark, unknown)
1
paradoxical(hard, sophisticated, tricky, complicated)
1
pedantic(adjective, sound, complex, precise)
1
preternatural(deep, mysterious, supernatural, abstract)
1
rambling(hard, sophisticated, tricky, complicated)
1
reticent(unknown, clandestine, underground, undisclosed)
1
retired(unknown, clandestine, underground, undisclosed)
1
screened(dark, secret, unknown, hidden)
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APASmart Define. (2015). abstruse thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/abstruse/thesaurus/synonyms
ChicagoSmart Define. 2015. "abstruse thesaurus" https://smartdefine.org/abstruse/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, abstruse thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/abstruse/thesaurus/synonyms>.
MLASmart Define. "abstruse thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/abstruse/thesaurus/synonyms>