12 entries under adjective topic. ×

4
shellproof
2
impervious
2
watertight
1
impregnable
1
invincible
1
unassailable
0
bullet-proof
0
bulletproof
0
rainproof
0
unshakable
0
waterproof
0
waterproofed
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APASmart Define. (2015). bombproof thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/bombproof/thesaurus/synonyms
ChicagoSmart Define. 2015. "bombproof thesaurus" https://smartdefine.org/bombproof/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, bombproof thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/bombproof/thesaurus/synonyms>.
MLASmart Define. "bombproof thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/bombproof/thesaurus/synonyms>