- Definitions|0
- Thesaurus|77
- Abbreviations|1
39 entries under aper topic. ×
| serious(adjective, weighty, demoniac, crucial) | |
| fell(severe, weighty, demoniac, crucial) | |
| grave(adjective, tough, severe, deep, meaningful) | |
| no joke(noun, expression, adjective, tough, severe) | |
| of consequence(expression, adjective, tough, severe, important) | |
| out for blood(expression, adjective, idiom, tough, severe) | |
| playing hard ball(expression, adjective, idiom, tough, severe) | |
| smoking(adjective, tough, severe, important, significant) | |
| sobering(adjective, tough, severe, important, significant) | |
| strictly business(expression, adjective, tough, severe, important) | |
| ugly(severe, weighty, demoniac, crucial) | |
| unamusing(adjective, tough, severe, important, significant) | |
| unhumorous(adjective, tough, severe, important, deep) | |
| annihilative | |
| brutish(demoniac, annihilative) | |
| coldblooded(demoniac, annihilative) | |
| demoniac | |
| destructive(demoniac, annihilative) | |
| eradicative(demoniac, annihilative) | |
| extirpative(demoniac, annihilative) |
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| APA | Smart Define. (2015). no laughing matter thesaurus. Retrieved September 30, 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 September 30, 2026). |
| Harvard | Smart Define 2015, no laughing matter thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/no_laughing_matter/thesaurus/synonyms>. |
| MLA | Smart Define. "no laughing matter thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/no_laughing_matter/thesaurus/synonyms> |