Synonyms|1.4kAntonyms|650|Broader|15Narrower|0Related|2.9k

5 entries under useful topic. ×

3
immaterial(adjective, form, important, irrelevant)
0
low-ranking
0
of no account(expression, idiom, significant)
0
of no consequence(expression, idiom, significant)
0
zipper
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APASmart Define. (2016). substantial thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/substantial/thesaurus/antonyms
ChicagoSmart Define. 2016. "substantial thesaurus" https://smartdefine.org/substantial/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, substantial thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/substantial/thesaurus/antonyms>.
MLASmart Define. "substantial thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/substantial/thesaurus/antonyms>