- Definitions|1
- Thesaurus|256
- Abbreviations|0
34 entries under serious topic. ×
| levelheaded(adjective, calm, quiet, reasonable, sensible) | |
| no-nonsense(adjective, calm, quiet, reasonable, sensible) | |
| on the wagon(expression, adjective, idiom, moderate, dry) | |
| peaceful dull(expression, adjective, calm, quiet, reasonable) | |
| sedate(adjective, calm, quiet, reasonable, dark) | |
| severe(adjective, calm, quiet, reasonable, sensible) | |
| solemn(adjective, calm, quiet, reasonable, sensible) | |
| somber(adjective, calm, quiet, reasonable, sensible) | |
| staid(adjective, calm, quiet, reasonable, sensible) | |
| unexcited(adjective, calm, quiet, reasonable, sensible) | |
| unimpassioned(adjective, calm, quiet, reasonable, sensible) | |
| abstinent(adjective, moderate, dry, temperate, sober) | |
| self-possessed(adjective, moderate, dry, temperate) | |
| temperate(adjective, calm, moderate, dry) |
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| APA | Smart Define. (2015). clear-headed thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/clear-headed/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "clear-headed thesaurus" https://smartdefine.org/clear-headed/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, clear-headed thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/clear-headed/thesaurus/synonyms>. |
| MLA | Smart Define. "clear-headed thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/clear-headed/thesaurus/synonyms> |