Definition of Impermeable

not allowing substances to pass through

Examples of Impermeable in a sentence

The impermeable rain coat kept water from ruining the woman’s cashmere sweater.  🔊

Impermeable materials were used to build a waterproof fort.  🔊

Impermeable glass was used in the picture frame to keep moisture from the photo.  🔊

Roof shingles are impermeable and keep precipitation from seeping into buildings.  🔊

The fisherman’s impermeable boots allowed him to wade through the pond without getting his feet wet.  🔊

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