- Definitions|0
- Thesaurus|77
- Abbreviations|1
24 entries under crucial topic. ×
| ugly(severe, weighty, aper, demoniac) | |
| unamusing(adjective, tough, severe, important, significant) | |
| unhumorous(adjective, tough, severe, important, deep) | |
| worrying(adjective, tough, severe, important, significant) |
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| APA | Smart Define. (2015). no laughing matter thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/no_laughing_matter/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "no laughing matter thesaurus" https://smartdefine.org/no_laughing_matter/thesaurus/synonyms (accessed October 2, 2026). |
| Harvard | Smart Define 2015, no laughing matter thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/no_laughing_matter/thesaurus/synonyms>. |
| MLA | Smart Define. "no laughing matter thesaurus" 10 April 2015. Web. 2 October 2026. <https://smartdefine.org/no_laughing_matter/thesaurus/synonyms> |