Synonyms|540Antonyms|121|Broader|7Narrower|4Related|1.1k

73 entries under difficult topic. ×

1
Daedalean(adjective, hard, fancy, obscure)
1
Gordian(adjective, hard, fancy, obscure)
1
acroamatic(adjective, hard, obscure, heavy)
1
bewildering(adjective, hard, obscure, sophisticated)
1
byzantine(adjective, hard, fancy, obscure)
1
can of worms(expression, adjective, idiom, hard, fancy)
1
clear as dishwater(expression, adjective, obscure, uncertain)
1
elaborate(adjective, hard, fancy, complex)
1
fancy(adjective, hard, complex, sophisticated)
1
gasser(adjective, hard, fancy, complex)
1
hi-tech(adjective, hard, fancy, complex)
1
high-tech(adjective, complex, special, sophisticated)
1
interlaced(adjective, hard, fancy, complex)
1
jumbled(adjective, obscure, sophisticated, involved)
1
mega factor(expression, adjective, hard, fancy)
1
mixed(adjective, hard, fancy, obscure)
1
problematical(adjective, hard, delicate, loose)
1
sophisticated(adjective, hard, fancy, obscure)
1
tenebrous(adjective, obscure, strange, uncertain)
1
tortuous(adjective, obscure, complex, sophisticated)
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ChicagoSmart Define. 2015. "abstruse thesaurus" https://smartdefine.org/abstruse/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, abstruse thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/abstruse/thesaurus/synonyms>.
MLASmart Define. "abstruse thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/abstruse/thesaurus/synonyms>