- Definitions|2
- Thesaurus|2.5k
- Abbreviations|0
| incontrovertible | |
| indisputable | |
| irrefutable(sound, reasonable, rational) | |
| monster | |
| monumental | |
| mountainous | |
| necessary(big, important, significant, substantial, valuable) | |
| of importance(expression, adjective, idiom, importance, valuable) | |
| prestigious | |
| recondite(deep, thoughtful, reflective) | |
| round(adjective, solid, heavy, overweight, plump) | |
| striking(adjective, extraordinary, important, powerful, outstanding) | |
| stupendous | |
| superincumbent(adjective, difficult, heavy, cruel, demanding) | |
| tremendous | |
| unsmiling | |
| worrisome(adjective, difficult, troublesome) | |
| worrying(adjective, severe, difficult, heavy, troublesome) | |
| abstruse(deep, thoughtful, reflective) | |
| admissible(important, significant, consistent, related, applicable) |
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| APA | Smart Define. (2015). weighty thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/weighty/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "weighty thesaurus" https://smartdefine.org/weighty/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, weighty thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/weighty/thesaurus/synonyms>. |
| MLA | Smart Define. "weighty thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/weighty/thesaurus/synonyms> |