Synonyms|215Antonyms|6|Broader|1Narrower|2Related|28
0
impossible
0
imprecise
0
impulsive(unpredictable, explosive)
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inaudible(adjective, imperceptible)
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inconsiderable(adjective, imperceptible)
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inconsistent(impulsive, unpredictable, explosive)
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inconstant(impulsive, unpredictable, explosive)
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indefinite
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indeterminable
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infirm(light, weak, slight, imaginary, flimsy)
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invaluable
0
knowledge
0
leaven
0
leavening
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lightweight
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lively(impulsive, unpredictable, explosive)
0
lubricious(impulsive, unpredictable, explosive)
0
mercurial(impulsive, unpredictable, explosive)
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minor
0
mystery
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APASmart Define. (2015). imponderable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/imponderable/thesaurus/synonyms
ChicagoSmart Define. 2015. "imponderable thesaurus" https://smartdefine.org/imponderable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, imponderable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/imponderable/thesaurus/synonyms>.
MLASmart Define. "imponderable thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/imponderable/thesaurus/synonyms>