| cruel(good, kind, gentle) | |
| exacting | |
| exhausting | |
| formidable(adjective, difficult, overwhelming) | |
| heavy(adjective, severe, difficult) | |
| painful(adjective, good, painless, agonizing, physically) | |
| power-hungry | |
| quickly | |
| rugged(adjective, difficult, rigorous) | |
| severe(adjective, difficult, harsh) | |
| sticky(adjective, difficult, dry, embarrassing) | |
| strenuous(adjective, difficult) | |
| ticklish(adjective, difficult, straightforward, tricky) | |
| tight(adjective, difficult, troublesome) | |
| toilsome | |
| tough(adjective, difficult, laborious) | |
| troublesome(adjective, bothersome, worrisome) | |
| uphill(adjective, difficult, laborious) | |
| burdensome | |
| complex(adjective, difficult, involved, intricate) |
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| APA | Smart Define. (2016). easy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/easy/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "easy thesaurus" https://smartdefine.org/easy/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, easy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/easy/thesaurus/antonyms>. |
| MLA | Smart Define. "easy thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/easy/thesaurus/antonyms> |