- Definitions|2
- Thesaurus|4.1k
- Abbreviations|0
79 entries under adjective topic. ×
| important(substantial, serious, valuable) | |
| royal | |
| significant(important, substantial, unimportant, serious) | |
| major(dull, big, substantial, serious) | |
| substantial | |
| consequential(small, substantial, serious) | |
| essential(substantial, serious) | |
| weighty(light, important, substantial, serious) | |
| momentous(important, ordinary, insignificant) | |
| serious(substantial, weighty, crucial) | |
| appreciable | |
| crucial(important, critical) | |
| eventful(significant, busy) | |
| fundamental(important, basic) | |
| great | |
| awesome(good, bad) | |
| meaningful(substantial, serious, little, meaningless) | |
| considerable | |
| organic(unimportant, inorganic) | |
| lit |
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| APA | Smart Define. (2015). trivial thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/trivial/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "trivial thesaurus" https://smartdefine.org/trivial/thesaurus/antonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, trivial thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/trivial/thesaurus/antonyms>. |
| MLA | Smart Define. "trivial thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/trivial/thesaurus/antonyms> |