- Definitions|2
- Thesaurus|4.5k
- Abbreviations|0
| eventful(adjective, significant, busy) | |
| fundamental | |
| huge(adjective, poor, significant, substantial, tiny) | |
| material | |
| monumental(adjective, impressive, overwhelming) | |
| noticeable | |
| overbearing | |
| overriding | |
| powerful | |
| prestigious(adjective, famous, influential) | |
| principal | |
| remarkable | |
| renowned(poor, unknown) | |
| serious | |
| striking(bad, weak, inconspicuous) | |
| supportive | |
| weighty | |
| world class | |
| worthwhile(adjective, significant, substantial) | |
| impressive(adjective, powerful, influential) |
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| APA | Smart Define. (2016). insignificant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/insignificant/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "insignificant thesaurus" https://smartdefine.org/insignificant/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, insignificant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/insignificant/thesaurus/antonyms>. |
| MLA | Smart Define. "insignificant thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/insignificant/thesaurus/antonyms> |