1
hermetic
1
holeproof
1
impervious to
1
indestructible(adjective, strong, permanent)
1
leakproof
1
noiseproof
1
nonbreakable
1
proof
1
proof against
1
punctureproof
1
reinforced
1
rigid
1
rustproof
1
shellproof
1
soundproof
1
tight
1
tough
1
unshatterable
1
unyielding
1
watertight
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APASmart Define. (2015). shatterproof thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/shatterproof/thesaurus/synonyms
ChicagoSmart Define. 2015. "shatterproof thesaurus" https://smartdefine.org/shatterproof/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, shatterproof thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/shatterproof/thesaurus/synonyms>.
MLASmart Define. "shatterproof thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/shatterproof/thesaurus/synonyms>