impermeable

adjective

Pronunciation: ɪmˈpɜːrmiəbl

Definition

Not allowing fluid to pass through.

Examples

• The basement walls were treated with an impermeable sealant to prevent flooding.

• Some rock layers are impermeable, trapping oil and gas deep beneath the surface.

• He wore an impermeable rubber suit while cleaning the chemical spill.

Synonyms of impermeable

Words with a similar meaning to impermeable:

• watertight
• impenetrable
• sealed
• impervious

Antonyms of impermeable

Words with the opposite meaning to impermeable:

• permeable
• porous

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