126 entries under difficult topic. ×
| can of worms(expression, adjective, idiom, hard, fancy) | |
| Daedalean(adjective, hard, fancy, involved) | |
| fussy(adjective, fancy, exact, involved) | |
| harsh(adjective, hard, severe, rough) | |
| hidden(verb, adjective, hard, obscure) | |
| inscrutable | |
| jumbled(adjective, involved, dense, complicated) | |
| mingled(adjective, involved, intricate) | |
| mystifying(adjective, hard, delicate, awkward) | |
| onerous | |
| uphill | |
| wearying | |
| awkward(delicate, unpleasant, tricky, complicated) | |
| crabbed | |
| cumbersome | |
| interwoven | |
| paradoxical(adjective, hard, delicate, tricky) | |
| problematical(adjective, hard, delicate, loose) | |
| rambling(adjective, hard, tricky, complicated) | |
| various(adjective, hard, fancy, deep) |
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| APA | Smart Define. (2016). complex thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/complex/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "complex thesaurus" https://smartdefine.org/complex/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, complex thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/complex/thesaurus/synonyms>. |
| MLA | Smart Define. "complex thesaurus" 11 January 2016. Web. 20 September 2026. <https://smartdefine.org/complex/thesaurus/synonyms> |