impermeable
im-per-me-a-ble
adjective
Not allowing liquid, gas, or other substances to pass through it.
"The waterproof fabric was completely impermeable to rain."
Thesaurus
Synonyms: water-resistant, water-repellent, retentive
Antonyms: permeable
im-per-me-a-ble
Not allowing liquid, gas, or other substances to pass through it.
"The waterproof fabric was completely impermeable to rain."
Synonyms: water-resistant, water-repellent, retentive
Antonyms: permeable