- Definitions|2
- Thesaurus|2.2k
- Abbreviations|0
128 entries under difficult topic. ×
| laborious(adjective, hard, severe, rough) | |
| Gordian(adjective, hard, complex, involved) | |
| severe(adjective, hard, violent, complex) | |
| toilsome(adjective, hard, complex, awkward) | |
| profound(adjective, hard, complex) | |
| lumpy(adjective, hard, complex, coarse) | |
| trying(adjective, hard, difficulty, complex) | |
| burdensome(adjective, hard, complex, awkward) | |
| grinding(adjective, hard, complex, awkward) | |
| involute(adjective, hard, simple, complex) | |
| sensitive(adjective, hard, complex) | |
| impossible(adjective, hard, difficulty, complex) | |
| inextricable(adjective, hard, complex) | |
| nasty(adjective, hard, evil, complex) | |
| operose(adjective, hard, severe, rough) | |
| oppressive(adjective, hard, complex) | |
| painful(adjective, hard, complex) | |
| sinuous(adjective, hard, complex) | |
| stressful(adjective, hard, complex) | |
| tight(adjective, hard, complex) |
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| APA | Smart Define. (2015). knotty thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/knotty/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "knotty thesaurus" https://smartdefine.org/knotty/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, knotty thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/knotty/thesaurus/synonyms>. |
| MLA | Smart Define. "knotty thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/knotty/thesaurus/synonyms> |