- Definitions|1
- Thesaurus|567
- Abbreviations|0
26 entries under adjective topic. ×
| humorless | |
| humourless | |
| serious(somber, weighty, aper, demoniac) | |
| sobersided | |
| deep(tough, severe, difficult, important) | |
| far-reaching(tough, severe, important, deep) | |
| fateful(tough, severe, important, deep) | |
| formidable(tough, severe, important, deep) | |
| grave(set, tough, severe, honest) | |
| hard(tough, severe, important, deep) | |
| laborious(tough, severe, important, deep) | |
| meaning business(expression, tough, severe, deep) | |
| meaningful(tough, severe, important, deep) | |
| no joke(expression, tough, severe, deep) | |
| no laughing matter(expression, idiom, tough, severe) | |
| of consequence(expression, tough, severe, deep) | |
| operose(tough, severe, important, deep) | |
| out for blood(expression, idiom, tough, severe) | |
| playing hard ball(expression, idiom, tough, severe) | |
| smoking(tough, severe, important, deep) |
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| APA | Smart Define. (2013). unhumorous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unhumorous/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "unhumorous thesaurus" https://smartdefine.org/unhumorous/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2013, unhumorous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unhumorous/thesaurus/synonyms>. |
| MLA | Smart Define. "unhumorous thesaurus" 28 June 2013. Web. 28 September 2026. <https://smartdefine.org/unhumorous/thesaurus/synonyms> |