Synonyms|86Antonyms|0|Broader|0Narrower|0Related|44
0
casehardened
0
casemated
0
castellated
0
defended
0
defending
0
defensive
0
impenetrable
0
imperturbable
0
incontestable
0
inexpugnable
0
invincible
0
ironclad
0
machicolated
0
mural
0
overpowering
0
overwhelming
0
pachydermatous
0
philistine
0
points
0
powerful
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APASmart Define. (2015). proof against thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/proof_against/thesaurus/synonyms
ChicagoSmart Define. 2015. "proof against thesaurus" https://smartdefine.org/proof_against/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, proof against thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/proof_against/thesaurus/synonyms>.
MLASmart Define. "proof against thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/proof_against/thesaurus/synonyms>