1
hard
1
impermeable
1
nonabsorbent
0
hard put
0
hard to please
0
hard up
0
inpenetrable
0
nonabsorptive
0
rainproof
0
unpermeable
0
waterproof
11 years ago|67 views|share |citing 
APASmart Define. (2015). spongelike thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/spongelike/thesaurus/antonyms
ChicagoSmart Define. 2015. "spongelike thesaurus" https://smartdefine.org/spongelike/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2015, spongelike thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/spongelike/thesaurus/antonyms>.
MLASmart Define. "spongelike thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/spongelike/thesaurus/antonyms>