Synonyms|1.1kAntonyms|182|Broader|18Narrower|25Related|905
10
advanced
8
minor
8
secondary
7
unimportant
6
extra(noun, adjective, decrease, common, fear)
6
subordinate(noun, adjective)
6
auxiliary(noun, adjective)
6
less important
5
trivial
4
ancillary
4
incidental(adjective, minor, related)
4
liminal
3
accessory(adjective, insignificant, secondary, foundational, grass-roots)
3
additional
3
addition
3
derivative
3
frivolous
3
insignificant
3
lightweight
3
negligible
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APASmart Define. (2016). fundamental thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fundamental/thesaurus/antonyms
ChicagoSmart Define. 2016. "fundamental thesaurus" https://smartdefine.org/fundamental/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, fundamental thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fundamental/thesaurus/antonyms>.
MLASmart Define. "fundamental thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/fundamental/thesaurus/antonyms>