waterproof

Meaning

Adj

1. Resistant to the effects of water.
2. Made of or covered with material that doesn't allow water in.
3. (figuratively) Incapable of failing; unassailable.

Verb

To make waterproof or water-resistant.

Noun

1. A substance or preparation for rendering cloth, leather, etc., impervious to water.
2. Cloth made waterproof, or any article made of such cloth, or of other waterproof material, as rubber; especially, an outer garment made of such material.

Synonyms

watertight

impermeable

raincoat

rainproof

mackintosh

water-resistant

moistureproof

waterproofed

water-resisting

macintosh

waterproof coat

impervious

mac

weatherproof

moisture-proof

make watertight

trench coat

water impermeability

WP

waterproof cloth

fluid-tight

wp

impermeable to water

moisture repellent

waterproof sheet

hose-proof

wetproof

dunkable

impervious to water

airtight

mack

damp-proof

hermetic

impenetrable

mack

moisture proof

oilcloth

proof

seal

🦭

sealed

staunch

tarpaulin

watertightness

Translations

imperméable

impermeabile

wasserdicht

impermeable

αδιάβροχος

étanche

impermeabilizzare

impermeável

wasserfest

waterdicht

impermeabilizar

undurchlässig

waterproof

impermeable

Etymology

Cognate with Western Frisian: wetterproef

Cognate with Dutch: waterproef

In summary

From water + -proof. Compare West Frisian wetterproef (“waterproof”), Dutch waterproef (“waterproof”).