126 entries under sober topic. ×
| restrained(adjective, calm, quiet, gentle, sensible) | |
| solid(adjective, strong, big, pure, important) | |
| stolid(adjective, tough, rational, straightforward) | |
| thinking(adjective, reasonable, keen, deep, thoughtful) | |
| absorbed(adjective, reasonable, keen, deep, thoughtful) | |
| analytical(adjective, reasonable, keen, deep, rational) | |
| apathetic(adjective, tough, rational, straightforward) | |
| brainy(adjective, reasonable, keen, sensible, deep) | |
| calculating(adjective, reasonable, keen, deep, rational) | |
| cerebral(adjective, reasonable, keen, deep, rational) | |
| close(adjective, hard, severe, harsh, cold) | |
| cold(adjective, calm, close, hard, tough) | |
| cold-blooded(adjective, tough, rational, straightforward) | |
| cold sober(expression, adjective, calm, set, cool) | |
| discerning(adjective, reasonable, keen, sensible, heavy) | |
| down-to-earth(adjective, calm, tough, plain, restrained) | |
| dry(adjective, tough, rational, straightforward, temperate) | |
| earthy(adjective, tough, rational, straightforward) | |
| emotionless(adjective, tough, rational, straightforward) | |
| engrossed(adjective, reasonable, keen, deep, rational) |
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| APA | Smart Define. (2016). serious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/serious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "serious thesaurus" https://smartdefine.org/serious/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, serious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/serious/thesaurus/synonyms>. |
| MLA | Smart Define. "serious thesaurus" 24 February 2016. Web. 27 September 2026. <https://smartdefine.org/serious/thesaurus/synonyms> |