157 entries under adjective topic. ×

2
unintelligible(hard, obscure, difficult, delicate)
2
veiled(obscure, strange, deep, mysterious)
2
wicked(evil, mysterious, threatening, nefarious)
1
Daedalean(hard, fancy, obscure, difficult)
1
Delphian(evil, obscure, strange, deep)
1
Gordian(hard, fancy, obscure, difficult)
1
academic(dull, hard, sound, obscure)
1
acroamatic(hard, obscure, difficult, heavy)
1
acute(sharp, obscure, exact, heavy)
1
alchemistic(obscure, dark, strange, odd)
1
anagogic(evil, deep, mysterious, secret)
1
bad(evil, mysterious, threatening, nefarious)
1
bewildering(hard, obscure, difficult, sophisticated)
1
byzantine(hard, fancy, obscure, difficult)
1
can of worms(expression, idiom, hard, fancy)
1
clear as dishwater(expression, obscure, difficult, uncertain)
1
cliquish(obscure, esoteric)
1
confounding(hard, tricky, complicated)
1
confusing(hard, uncertain, vague, unclear)
1
crabbed
11 years ago|17k views|share |citing 
APASmart Define. (2015). abstruse thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/abstruse/thesaurus/synonyms
ChicagoSmart Define. 2015. "abstruse thesaurus" https://smartdefine.org/abstruse/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, abstruse thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/abstruse/thesaurus/synonyms>.
MLASmart Define. "abstruse thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/abstruse/thesaurus/synonyms>