Synonyms|64Antonyms|24|Broader|0Narrower|0Related|27
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flat
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forceful
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forcible
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frozen
0
good
0
hard-and-fast
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heavy
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imperdible
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incapable of overcoming
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influential
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insurmountable
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intense
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irrefutable
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loud
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lusty
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potent
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proof against(verb, phrasal verb, safety)
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robust
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set
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settled
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APASmart Define. (2015). inexpugnable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/inexpugnable/thesaurus/synonyms
ChicagoSmart Define. 2015. "inexpugnable thesaurus" https://smartdefine.org/inexpugnable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, inexpugnable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/inexpugnable/thesaurus/synonyms>.
MLASmart Define. "inexpugnable thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/inexpugnable/thesaurus/synonyms>