73 entries under difficult topic. ×

1
troublesome(adjective, hard, fancy, delicate)
1
various(adjective, hard, fancy, complex)
1
wheels within wheels(expression, adjective, idiom, hard, fancy)
0
amphibological(adjective, obscure, uncertain, unclear)
0
baroque(adjective, complex, sophisticated, involved)
0
daedal(adjective, complex, sophisticated, involved)
0
dense(adjective, complex, involved, complicated)
0
full of twists and turns(expression, adjective, idiom, complex)
0
imperceptive(adjective, obscure, uncertain, unclear)
0
purblind(adjective, obscure, uncertain, unclear)
0
rococo(adjective, complex, sophisticated, involved)
0
uncertain(adjective, obscure, vague, unclear)
-1
Greek to me
11 years ago|17k views|share |citing 
APASmart Define. (2015). abstruse thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/abstruse/thesaurus/synonyms
ChicagoSmart Define. 2015. "abstruse thesaurus" https://smartdefine.org/abstruse/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, abstruse thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/abstruse/thesaurus/synonyms>.
MLASmart Define. "abstruse thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/abstruse/thesaurus/synonyms>