26 entries under foundational topic. ×
| essential(noun, adjective, important, unimportant, extra) | |
| organic(adjective, unimportant, fundamental, inorganic) | |
| fundamental(adjective, insignificant, secondary, grass-roots) | |
| integral(adjective, complete, fundamental, nonessential) | |
| amoebic(adjective, unimportant, trivial, fundamental) | |
| anatomical(adjective, unimportant, trivial, fundamental) | |
| axiological(adjective, insignificant, unimportant, fundamental) | |
| biotic(adjective, unimportant, trivial, fundamental) | |
| bottom-line(adjective, insignificant, unimportant, fundamental) | |
| cellular(adjective, unimportant, trivial, fundamental) | |
| choate(adjective, fundamental, secondary, grass-roots) | |
| constituent(adjective, unimportant, fundamental, grass-roots) | |
| grass-roots(adjective, insignificant, unimportant, fundamental) | |
| grassroots(adjective, insignificant, unimportant, fundamental) | |
| meat-and-potatoes(adjective, insignificant, unimportant, fundamental) | |
| name of game(expression, adjective, idiom, extra, fundamental) | |
| nitty gritty(expression, adjective, insignificant, unimportant, extra) | |
| nubber(adjective, insignificant, unimportant, fundamental) | |
| nuclear(adjective, fundamental, grass-roots) | |
| part-and-parcel(adjective, part, fundamental, broken) |
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| APA | Smart Define. (2016). accessory thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/accessory/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "accessory thesaurus" https://smartdefine.org/accessory/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, accessory thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/accessory/thesaurus/antonyms>. |
| MLA | Smart Define. "accessory thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/accessory/thesaurus/antonyms> |