- Definitions|2
- Thesaurus|2.5k
- Abbreviations|0
55 entries under thoughtful topic. ×
| grave(adjective, dull, hard, great, tough) | |
| serious(adjective, good, dull, hard, great) | |
| severe(adjective, hard, tough, difficult, honest) | |
| heavy(adjective, tough, severe, difficult, harsh) | |
| profound(adjective, hard, difficult, complex) | |
| earnest(adjective, dull, severe, honest, harsh) | |
| solemn(adjective, dull, quiet, severe, honest) | |
| sober(adjective, dull, set, severe, honest) | |
| deep(adjective, tough, severe, substantial) | |
| sedate(adjective, dull, severe, honest, dark) | |
| staid(adjective, dull, set, severe, honest) | |
| somber(adjective, dull, severe, honest, sad) | |
| no-nonsense(adjective, dull, severe, honest, dark) | |
| recondite(deep, reflective) | |
| abstruse(deep, reflective) | |
| sage(deep, reflective) | |
| close(adjective, harsh, cruel, sober) | |
| constant(adjective, sober, serious, sincere) | |
| determined(adjective, set, severe, honest) | |
| firm(adjective, strong, harsh, solid, important) |
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| APA | Smart Define. (2015). weighty thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/weighty/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "weighty thesaurus" https://smartdefine.org/weighty/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, weighty thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/weighty/thesaurus/synonyms>. |
| MLA | Smart Define. "weighty thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/weighty/thesaurus/synonyms> |