150 entries under substantial topic. ×
| cumbrous(adjective, easy, big, heavy, awkward) | |
| somber(adjective, upset, dull, quiet, severe) | |
| sturdy(adjective, person, body, strong, hard) | |
| critical(adjective, great, harsh, extraordinary, big) | |
| forceful(adjective, strong, sound, tough, solid) | |
| heavyweight(noun, adjective, order, great, tough) | |
| significant(adjective, great, tough, severe, big) | |
| staid(dull, quiet, big, sober) | |
| strapping(adjective, person, body, strong, sound) | |
| wide(adjective, hard, great, deep) | |
| earnest(adjective, dull, quiet, big, important) | |
| healthy(adjective, solid, powerful, sturdy) | |
| muscular(adjective, person, body, strong, sound) | |
| overflowing(adjective, rich, abundant, extensive) | |
| sober(dull, quiet, big, serious) | |
| weighted(adjective, big, weight, weighty) | |
| generous(adjective, give, great, big) | |
| meaningful(adjective, dull, quiet, tough, severe) | |
| pressing(adjective, tough, severe, big, important) | |
| unyielding(adjective, strong, hard, sound, tough) |
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| APA | Smart Define. (2016). heavy thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/heavy/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "heavy thesaurus" https://smartdefine.org/heavy/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, heavy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/heavy/thesaurus/synonyms>. |
| MLA | Smart Define. "heavy thesaurus" 25 January 2016. Web. 25 September 2026. <https://smartdefine.org/heavy/thesaurus/synonyms> |