90 entries under straightforward topic. ×
| unidealistic(adjective, tough, rational, sober) | |
| unimaginative(adjective, tough, rational, sober) | |
| unimpassioned(adjective, calm, tough, dark, restrained) | |
| unpretentious(adjective, open, honest, true, natural) | |
| unsentimental(adjective, tough, rational, sober) | |
| unvarnished(adjective, tough, rational, sober) | |
| up-front(open, honest, true, straight) | |
| literal(rational, down-to-earth) | |
| straight-thinking(rational, down-to-earth) | |
| with both feet on the ground(expression, idiom, rational, down-to-earth) |
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| APA | Smart Define. (2016). serious thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/serious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "serious thesaurus" https://smartdefine.org/serious/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, serious thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/serious/thesaurus/synonyms>. |
| MLA | Smart Define. "serious thesaurus" 24 February 2016. Web. 26 September 2026. <https://smartdefine.org/serious/thesaurus/synonyms> |