6 entries under substantial topic. ×
| unimportant(adjective, false, value, important, dishonest) | |
| trivial | |
| fine-drawn(heavy, fat) | |
| fine-spun(heavy, fat) | |
| low-ranking | |
| zipper |
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Serious on
Power Thesaurus
| APA | Smart Define. (2016). serious thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/serious/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "serious thesaurus" https://smartdefine.org/serious/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, serious thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/serious/thesaurus/antonyms>. |
| MLA | Smart Define. "serious thesaurus" 24 February 2016. Web. 26 September 2026. <https://smartdefine.org/serious/thesaurus/antonyms> |