10 entries under adjective topic. ×

7
absorbent
5
porous
2
leaky
2
spongy
1
permeable
1
pervious
0
fireproof
0
penetrable
0
spongelike
-1
absorptive
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APASmart Define. (2015). waterproof thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/waterproof/thesaurus/antonyms
ChicagoSmart Define. 2015. "waterproof thesaurus" https://smartdefine.org/waterproof/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, waterproof thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/waterproof/thesaurus/antonyms>.
MLASmart Define. "waterproof thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/waterproof/thesaurus/antonyms>