1,209 entry under adjective topic. ×
| hard to understand(expression, idiom, difficult, complex) | |
| heartless(person, mean, feeling, cool) | |
| heavy-handed(difficult, complex) | |
| insensitive(person, mean, cool, tough) | |
| knotted(difficult, complex) | |
| lumpish(difficult, complex) | |
| onerous(dull, great, tough, severe) | |
| perplexed(difficult, complex) | |
| rigorous(strong, tough, severe, rough) | |
| sophisticated(difficult, complex, involved, complicated) | |
| toilful(difficult, complex, awkward, demanding) | |
| unbearable(difficult, complex) | |
| daedal(difficult, complex, involved, complicated) | |
| drudgery(noun, work, difficult, complex) | |
| esoteric(difficult, complex) | |
| fusty(difficult, complex, old, sour) | |
| heartrending(difficult, complex) | |
| impossible(difficult, complex) | |
| precarious(difficult, complex) | |
| sensitive(difficult, complex) |
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| APA | Smart Define. (2016). hard thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/hard/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hard thesaurus" https://smartdefine.org/hard/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, hard thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/hard/thesaurus/synonyms>. |
| MLA | Smart Define. "hard thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/hard/thesaurus/synonyms> |