Synonyms|135Antonyms|6|Broader|0Narrower|0Related|77
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costly
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crippling(injurious, damaging, destructive)
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cruel
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disadvantageous(injurious, damaging, destructive)
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feller(injurious, deadly, fatal, devastating)
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fleshly
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grievous
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grim
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grisly
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guerre a mort(expression, idiom, warfare)
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guerre a outrance(expression, idiom, warfare)
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harassing(injurious, damaging, destructive)
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havoc-wreaking
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incendiary(injurious, damaging, destructive)
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inimical(injurious, damaging, destructive)
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internecine war(expression, idiom, warfare)
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malefic(injurious, damaging, destructive)
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malevolent
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malicious(injurious, damaging, destructive)
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menacing(injurious, damaging, destructive)
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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>