porous

/ˈpɔrəs/
adjective
  1. Having many small holes that allow liquids or air to pass through.
    • Porous materials like clay pots help plants breathe.
    • Porous rocks can store groundwater for wells.
    • The sponge is very porous, so it soaks up spills quickly.
  2. Easily crossed or penetrated; not secure or protective.
    • The team's defense was porous, allowing the opponents to score easily.
    • A porous security system can be hacked with little effort.
    • The country's porous borders made it easy for smugglers to cross.
What does "porous" mean? | whatsthatwordmean | whatsthatwordmean