Synonyms|139Antonyms|21|Broader|2Narrower|0Related|93
0
murky
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murrion
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mysterious
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mystic
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obscure
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pickelhaube
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powerful(adjective, impassable, untouchable, invincible, indestructible)
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sacrosanct
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salade
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scutum
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secure
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shako
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shield
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sibylline
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siege cap(expression, idiom, defense)
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steadfast
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steel-plated
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substantial
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thick
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thimble
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APASmart Define. (2015). bulletproof thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/bulletproof/thesaurus/synonyms
ChicagoSmart Define. 2015. "bulletproof thesaurus" https://smartdefine.org/bulletproof/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, bulletproof thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/bulletproof/thesaurus/synonyms>.
MLASmart Define. "bulletproof thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/bulletproof/thesaurus/synonyms>