142 entries under substantial topic. ×
| big deal(expression, big, heavy) | |
| bulky(big, heavy, large, considerable) | |
| burdensome(big, heavy) | |
| cumbersome(big, heavy) | |
| cumbrous(big, heavy) | |
| dense(big, heavy) | |
| fleshy(big, heavy) | |
| large-scale | |
| lavish | |
| life and death(expression, idiom, great, big, heavy) | |
| no-nonsense(big, heavy) | |
| obese(big, heavy) | |
| overweight(big, heavy) | |
| perceivable(definite, considerable) | |
| plain(definite, considerable) | |
| porcine(big, heavy) | |
| portly(big, heavy) | |
| sedate(big, heavy) | |
| somber(big, heavy) | |
| staid(big, heavy) |
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| APA | Smart Define. (2016). significant thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/significant/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "significant thesaurus" https://smartdefine.org/significant/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, significant thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/significant/thesaurus/synonyms>. |
| MLA | Smart Define. "significant thesaurus" 4 March 2016. Web. 25 September 2026. <https://smartdefine.org/significant/thesaurus/synonyms> |