- Definitions|2
- Thesaurus|2.3k
- Abbreviations|0
68 entries under serious topic. ×
| firm(adjective, severe, solid, stable, thoughtful) | |
| fixed(adjective, set, firm, solid, stable) | |
| for real(expression, adjective, thoughtful, sober) | |
| forgoing(adjective, calm, quiet, reasonable, sensible) | |
| funereal(dull, dark, gloomy, sober) | |
| hard-boiled(adjective, calm, sensible, dark, restrained) | |
| inhibited(adjective, calm, quiet, sensible, dark) | |
| intense(adjective, quiet, firm, sensible, solid) | |
| intent(adjective, set, severe, honest, thoughtful) | |
| levelheaded(adjective, calm, quiet, reasonable, firm) | |
| lucid(adjective, calm, quiet, reasonable, sensible) | |
| mean business(expression, adjective, thoughtful, sober) | |
| meaningful(adjective, dull, quiet, severe, big) | |
| peaceful dull(expression, calm, quiet, reasonable, dark) | |
| playing hard ball(expression, adjective, idiom, thoughtful, sober) | |
| resolute(adjective, set, severe, firm, honest) | |
| resolved(adjective, set, severe, honest, thoughtful) | |
| set(adjective, severe, firm, honest, solid) | |
| sincere(adjective, set, severe, honest, thoughtful) | |
| sound(adjective, calm, quiet, reasonable, firm) |
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| APA | Smart Define. (2016). staid thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/staid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "staid thesaurus" https://smartdefine.org/staid/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, staid thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/staid/thesaurus/synonyms>. |
| MLA | Smart Define. "staid thesaurus" 19 February 2016. Web. 28 September 2026. <https://smartdefine.org/staid/thesaurus/synonyms> |