Synonyms|182Antonyms|77|Broader|1Narrower|0Related|707
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causeless(adjective, senseless, unwarranted, wanton, superfluous)
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deviant
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egregious
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extortionate
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forgiveness
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fortuitous(unwarranted, unjustified, undeserved)
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foundationless
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futile(unwarranted, unjustified, undeserved)
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gross
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illegal
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impermissible
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impertinent(unwarranted, unjustified, undeserved)
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impolite
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importable
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inactive
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inappropriate(unwarranted, unjustified, undeserved)
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indecorous(unwarranted, unjustified, undeserved)
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indolent
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inessential(unwarranted, wanton, unjustified, unfounded, undeserved)
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inordinate
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APASmart Define. (2015). indefensible thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/indefensible/thesaurus/synonyms
ChicagoSmart Define. 2015. "indefensible thesaurus" https://smartdefine.org/indefensible/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, indefensible thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/indefensible/thesaurus/synonyms>.
MLASmart Define. "indefensible thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/indefensible/thesaurus/synonyms>