IMPERMEABLE

Pronunciation (US): (GB):

Meaning:

Preventing especially liquids to pass or diffuse through

Example:

a coat impermeable to rain

Classified under:

Adjectives

Similar:

retentive (having the power, capacity, or quality of retaining water)

water-repellent; water-resistant (hindering the penetration of water)

Also:

tight (of such close construction as to be impermeable)

imperviable; impervious (not admitting of passage or capable of being affected)

Antonym:

permeable (allowing fluids or gases to pass or diffuse through)

Derivation:

impermeability; impermeableness (the property of something that cannot be pervaded by a liquid)