- Definitions|2
- Thesaurus|2.5k
- Abbreviations|0
77 entries under serious topic. ×
| grave(adjective, dull, hard, great, tough) | |
| important(adjective, good, strong, great, tough) | |
| significant(adjective, good, clear, strong, great) | |
| momentous(adjective, good, clear, strong, tough) | |
| consequential(adjective, good, clear, strong, harsh) | |
| grievous(adjective, hard, great, tough, severe) | |
| severe(adjective, hard, tough, difficult, honest) | |
| substantial(adjective, good, strong, sound, right) | |
| influential(adjective, good, clear, strong, great) | |
| heavy(adjective, tough, severe, difficult, harsh) | |
| heavyweight(adjective, hard, difficult, heavy, important) | |
| big(adjective, good, solid, importance, heavy) | |
| earnest(adjective, dull, severe, honest, harsh) | |
| material(adjective, good, appropriate, importance, big) | |
| portentous(adjective, importance, important, valuable) | |
| meaningful(adjective, good, clear, strong, great) | |
| vital(adjective, great, severe, importance, big) | |
| solemn(adjective, dull, quiet, severe, honest) | |
| considerable(adjective, importance, big, heavy, important) | |
| critical(adjective, hard, hurt, great, tough) |
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| APA | Smart Define. (2015). weighty thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/weighty/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "weighty thesaurus" https://smartdefine.org/weighty/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, weighty thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/weighty/thesaurus/synonyms>. |
| MLA | Smart Define. "weighty thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/weighty/thesaurus/synonyms> |