- Definitions|2
- Thesaurus|929
- Abbreviations|0
| humourless(adjective, severe, unfunny) | |
| mirthless(adjective, unhappy, sadness, aloof, grey) | |
| unhumorous | |
| unsmiling(adjective, formidable) | |
| grim(adjective, gloomy) | |
| serious | |
| somber(adjective, unhappy, sadness, aloof, grey) | |
| grave(adjective, severe, sober, serious, somber) | |
| joyless(adjective, unhappy, sadness, aloof, grey) | |
| po-faced | |
| severe(adjective, humourless) | |
| solemn(adjective, sober, serious, somber) | |
| staid(adjective, sober, serious, stale, somber) | |
| unjoyful(adjective, unhappy, sadness, aloof, grey) | |
| unmirthful(adjective, unhappy, sadness, aloof, grey) | |
| sober(adjective, serious, somber) | |
| cheerless | |
| earnest(adjective, sober, serious, somber) | |
| no-nonsense(adjective, sober, serious, somber) | |
| sedate(adjective, sober, serious, somber) |
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| APA | Smart Define. (2015). humorless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/humorless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "humorless thesaurus" https://smartdefine.org/humorless/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, humorless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/humorless/thesaurus/synonyms>. |
| MLA | Smart Define. "humorless thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/humorless/thesaurus/synonyms> |