1
solid
1
soundproof
1
staunch
1
stiff
1
stormtight
1
surcoat(noun, clothing)
1
tabard
1
tender
1
tightly sealed(adjective, tight, proof, impervious, hermetic)
1
tippet
1
topcoat
1
totally enclosed(adjective, tight, proof, impervious, hermetic)
1
veil
1
water-proof(adjective, tight, proof, impervious, hermetic)
1
water-repellant
1
water-repellent
1
water-tight(adjective, tight, proof, impervious, hermetic)
1
waterproof jacket(noun, adjective, protection, clothes, waterproofing)
1
waterproofs
1
weatherly
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APASmart Define. (2015). waterproof thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/waterproof/thesaurus/synonyms
ChicagoSmart Define. 2015. "waterproof thesaurus" https://smartdefine.org/waterproof/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, waterproof thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/waterproof/thesaurus/synonyms>.
MLASmart Define. "waterproof thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/waterproof/thesaurus/synonyms>