110 entries under difficult topic. ×

2
rococo(adjective, complex, sophisticated, elaborate)
2
troublesome(adjective, hard, fancy, complex)
1
Daedalean(adjective, hard, fancy, obscure)
1
bothersome(adjective, tough, rough, heavy)
1
can of worms(expression, adjective, idiom, hard, fancy)
1
difficile(adjective, tough, rough, heavy)
1
distressing(adjective, tough, rough, heavy)
1
effortful(adjective, tough, rough, heavy)
1
fatiguing(adjective, tough, rough, heavy)
1
formidable(adjective, hard, rough, complex)
1
gasser(adjective, hard, fancy, complex)
1
hairy(adjective, tough, rough, heavy)
1
heavy(adjective, hard, tough, obscure, rough)
1
hi-tech(adjective, hard, fancy, complex)
1
high-tech(adjective, complex, sophisticated, elaborate)
1
interlaced(adjective, hard, fancy, complex)
1
irksome(adjective, tough, rough, heavy)
1
jumbled(verb, adjective, obscure, sophisticated)
1
labored(adjective, tough, rough, heavy)
1
mean(adjective, tough, rough, heavy)
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APASmart Define. (2015). involved thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/involved/thesaurus/synonyms
ChicagoSmart Define. 2015. "involved thesaurus" https://smartdefine.org/involved/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, involved thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/involved/thesaurus/synonyms>.
MLASmart Define. "involved thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/involved/thesaurus/synonyms>