WATERPROOF

rainproof, waterproof, waterproofed

(adjective) not permitting the passage of water

raincoat, waterproof

(noun) a water-resistant coat

waterproof

(noun) any fabric impervious to water

waterproof

(verb) make watertight; “Waterproof the coat”

Source: WordNet® 3.1


Etymology

Adjective

waterproof (comparative more waterproof, superlative most waterproof)

Unaffected by water.

Made of or covered with material that doesn't allow water in.

(figurative) Incapable of failing; unassailable.

Synonyms

• (made of a material that doesn't allow water in): watertight

Verb

waterproof (third-person singular simple present waterproofs, present participle waterproofing, simple past and past participle waterproofed)

To make waterproof or water-resistant.

Noun

waterproof (plural waterproofs)

A substance or preparation for rendering cloth, leather, etc, impervious to water.

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.

Source: Wiktionary


Wa"ter*proof`, a.

Definition: Proof against penetration or permeation by water; impervious to water; as, a waterproof garment; a waterproof roof.

Wa"ter*proof`, n.

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; esp., an outer garment made of such material.

Wa"ter*proof`, v. t.

Definition: To render impervious to water, as cloth, leather, etc.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

11 May 2025

MALLET

(noun) a light drumstick with a rounded head that is used to strike such percussion instruments as chimes, kettledrums, marimbas, glockenspiels, etc.


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Coffee Trivia

An article published in Harvard Men’s Health Watch in 2012 shows heavy coffee drinkers live longer. The researchers examined data from 400,000 people and found out that men who drank six or more coffee cups per day had a 10% lower death rate.

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