41 entries under hard topic. ×
| ponderous(adjective, difficult, solid, heavy) | |
| weighty(adjective, difficult, solid, heavy) | |
| hefty(adjective, person, body, strong) | |
| massy(adjective, difficult, big, complex) | |
| burly(adjective, difficult, complex, large) | |
| lumpish(adjective, difficult, complex, gravity) | |
| burdensome(adjective, difficult, complex, gravity) | |
| heavyweight(adjective, difficult, heavy, complex) | |
| leaden(adjective, difficult, heavy, complex) | |
| lumpy(adjective, difficult, complex, gravity) | |
| oppressive(adjective, difficult, heavy, complex) | |
| severe(adjective, difficult, complex) | |
| knotty(adjective, difficult, complex, density) | |
| serious(adjective, difficult, complex) | |
| tough(adjective, person, body, difficult) | |
| dire(adjective, difficult, complex) | |
| grave(adjective, difficult, complex) | |
| knotted(adjective, difficult, complex, density) | |
| rugged(adjective, difficult, complex) | |
| profound(adjective, difficult, complex) |
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| APA | Smart Define. (2016). massive thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/massive/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "massive thesaurus" https://smartdefine.org/massive/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, massive thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/massive/thesaurus/synonyms>. |
| MLA | Smart Define. "massive thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/massive/thesaurus/synonyms> |