14
pervious(adjective, opening, accessible, spongy, porous)
14
porous(adjective, rough, coarse, opening, grainy)
7
accessible(adjective, penetrable, absorbent)
6
penetrable
6
spongy(adjective, porous, penetrable, absorbent)
5
leaky
5
thin(adjective, clear, fine, slim, shallow)
4
non-tight(adjective, open, spoil, unsealed, nonhermetic)
4
passable(adjective, penetrable, absorbent)
4
spongelike(adjective, penetrable, absorbent)
3
absorbent(adjective, liquid)
3
leaking(adjective, open, spoil, unsealed, nonhermetic)
3
non-watertight(adjective, open, spoil, unsealed, nonhermetic)
3
non tight(adjective, open, spoil, unsealed, nonhermetic)
3
nonhermetic(adjective, open, spoil, unsealed, nontight)
3
nonhermetical(adjective, open, spoil, unsealed, nonhermetic)
3
nontight(adjective, open, spoil, unsealed, nonhermetic)
3
nonwatertight(adjective, open, spoil, unsealed, nonhermetic)
3
unpressurised(adjective, open, spoil, unsealed, nonhermetic)
3
unpressurized(adjective, open, spoil, unsealed, nonhermetic)
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APASmart Define. (2015). permeable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/permeable/thesaurus/synonyms
ChicagoSmart Define. 2015. "permeable thesaurus" https://smartdefine.org/permeable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, permeable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/permeable/thesaurus/synonyms>.
MLASmart Define. "permeable thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/permeable/thesaurus/synonyms>