Synonyms of the word 
POROUS → HOLEY - LEAKY - PERMEABLE - PORIFEROUS
porous
- adj. Full of tiny pores that allow fluids or gasses to pass through.
- adj. (Of legislation) full of loopholes.
- adj. (figuratively) With many gaps.
holey
- adj. having, or being full of, holes.
leaky
- adj. Having leaks, not sealed.
permeable
- adj. Of or relating to substance, substrate, membrane or material that absorbs or allows the passage of fluids.
poriferous
- adj. having pores.
- adj. of, or related to Porifera.
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