164 entries under substantial topic. ×
| crucial(heavy, important, significant, valuable) | |
| decent(adjective, pleasant, fair, agreeable) | |
| dense(adjective, person, body, heavy) | |
| distinguished(adjective, important, famous, significant, familiar) | |
| durable(adjective, strong, sound, tough, solid) | |
| hardy(adjective, person, body, strong, sound) | |
| hearty(adjective, person, body, strong, sound) | |
| noticeable(adjective, significant, large) | |
| porcine(adjective, solid, heavy, large) | |
| renowned(adjective, important, famous, significant, familiar) | |
| able(adjective, strong, sound, tough, solid) | |
| stalwart(adjective, person, body, strong, sound) | |
| abounding(great, complete, sufficient, plentiful) | |
| active(adjective, strong, sound, tough, solid) | |
| burdensome(heavy, awkward) | |
| capable(adjective, strong, sound, tough, solid) | |
| comfortable(open, significant, large, generous) | |
| critical(heavy, important, significant, valuable) | |
| cumbrous(adjective, heavy, awkward, cumbersome) | |
| decisive(important, significant, valuable, vital) |
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| APA | Smart Define. (2016). big thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/big/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "big thesaurus" https://smartdefine.org/big/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, big thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/big/thesaurus/synonyms>. |
| MLA | Smart Define. "big thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/big/thesaurus/synonyms> |