Synonyms|135Antonyms|6|Broader|0Narrower|0Related|77
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mischievous(injurious, damaging, destructive)
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miserable
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mortiferous
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mutually harmful
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nocuous(injurious, damaging, destructive)
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open war(expression, idiom, warfare)
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painful(injurious, damaging, destructive)
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risky(injurious, damaging, destructive)
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severe
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sinful(injurious, damaging, destructive)
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sinister(injurious, damaging, destructive)
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undermining(injurious, damaging, destructive)
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unsafe(injurious, damaging, destructive)
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vicious
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wretched
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APASmart Define. (2015). internecine thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/internecine/thesaurus/synonyms
ChicagoSmart Define. 2015. "internecine thesaurus" https://smartdefine.org/internecine/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, internecine thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/internecine/thesaurus/synonyms>.
MLASmart Define. "internecine thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/internecine/thesaurus/synonyms>