Synonyms|2.2kAntonyms|701|Broader|30Narrower|36Related|2.6k
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immaterial(adjective, form, weak, important, loose)
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implausible
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incontinuous(adjective, weak, loose, unstable, wobbly)
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incorporeal
1
indefinite(adjective, weak, loose, unstable, wobbly)
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insecure
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jelly
1
lattice(noun, mesh, reticulation, caldera, firewater)
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lightweight
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listless
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lying
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mendacious
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metaphysical(adjective, physical, obvious, presence)
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misguided
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misled
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nonsensical
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notional
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null
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one-dimensional
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over smart
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APASmart Define. (2016). solid thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/solid/thesaurus/antonyms
ChicagoSmart Define. 2016. "solid thesaurus" https://smartdefine.org/solid/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, solid thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/solid/thesaurus/antonyms>.
MLASmart Define. "solid thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/solid/thesaurus/antonyms>