14
from far away
9
desired
4
corrosion-resistant
4
resistant
3
fast
3
greaseproof
3
moth-resistant
3
mothproof
3
proof
3
rot-resistant
3
run-resistant
3
runproof
3
sanctuary
2
acid-fast
2
cheap
2
colorfast
2
ladder-proof
2
soundproof
1
humidity
1
niggardly
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APASmart Define. (2015). impervious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/impervious/thesaurus/related
ChicagoSmart Define. 2015. "impervious thesaurus" https://smartdefine.org/impervious/thesaurus/related (accessed September 22, 2026).
HarvardSmart Define 2015, impervious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/impervious/thesaurus/related>.
MLASmart Define. "impervious thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/impervious/thesaurus/related>