- Definitions|2
- Thesaurus|5k
- Abbreviations|0
108 entries under heavy topic. ×
| momentous(adjective, strong, importance, big) | |
| hearty(adjective, strong, sound, complete, tough) | |
| meaningful(adjective, strong, importance, big) | |
| massive(adjective, hard, great, big) | |
| hefty(adjective, strong, hard, great, tough) | |
| powerful(adjective, good, strong, sound, tough) | |
| bulky(adjective, great, big, important) | |
| huge(adjective, great, big, important) | |
| well-built(adjective, calm, strong, sound, secure) | |
| earnest(adjective, importance, big, enthusiastic) | |
| voluminous(adjective, give, great, big) | |
| healthy(adjective, strong, complete, tough, fit) | |
| dense(adjective, set, strong, hard, tough) | |
| secure(adjective, calm, quiet, strong, hard) | |
| stalwart(adjective, calm, strong, sound, secure) | |
| vigorous(adjective, strong, sound, complete, tough) | |
| wealthy(adjective, easy, rich, large) | |
| full(adjective, great, big, enthusiastic) | |
| hardy(adjective, strong, sound, tough, fit) | |
| rugged(adjective, strong, sound, fit, solid) |
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| APA | Smart Define. (2016). substantial thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/substantial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "substantial thesaurus" https://smartdefine.org/substantial/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, substantial thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/substantial/thesaurus/synonyms>. |
| MLA | Smart Define. "substantial thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/substantial/thesaurus/synonyms> |