
Impermeable
Material Context
Use 'impermeable' when describing materials that block liquid, like in clothing or construction.

The impermeable fabric ensures you stay dry in the rain.
Nature Settings
In environmental contexts, 'impermeable' can refer to soil or rocks that don't let water through.

The impermeable rock prevented the formation of groundwater sources.
Metaphorical Use
Sometimes used figuratively, like saying a policy or rule is strict and unyielding.

The new stringent privacy policy is impermeable to unauthorized data breaches.
Compare with
DenseHardImpenetrableImperviousResistantSolidWaterproofYield
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