Skip to content

waterproof

/ˈwɔt̬ɚˌpruf/noun, verb, adjective3 syllables

Waterproof means: not permitting the passage of water.

Synonyms for waterproof7

noun, as in a water-resistant coat

raincoat

adjective, as in not permitting the passage of water

rainproof, waterproofed, tight

also used for waterproof

water-resistant, waterfast, watertight

Includes material from Wiktionary, CC BY-SA 4.0.

What does waterproof mean?4

adjective

1

not permitting the passage of water

noun

1

a water-resistant coat

2

any fabric impervious to water

verb

1

make watertight“Waterproof the coat”

Definitions from the Open English WordNet, CC BY 4.0.

Waterproof in a sentence

  • To keep their thick fur waterproof, sea otters spend hours grooming.Hybrid
  • After bonding, more ductile epoxy is used to waterproof the bond.hecko2
  • Avoid using your phone in the rain, it's not waterproof.Amastan
  • Be careful not to spill anything on the computer, it's not waterproof.Amastan
  • The young campers were kitted out with new waterproof jackets.sundown
  • Even if you end up in a downpour, there is nothing to worry about, because it is waterproof.LoverofEnglish
  • Are you sure your jacket's waterproof?CK
  • Don't forget to pack waterproof clothes.Nuel

Sentences from Tatoeba, CC BY 2.0 FR, credited to their authors.

Forms of waterproof

as a noun

plural
waterproofs

as a verb

past tense
waterproofed
present participle
waterproofing
third-person singular
waterproofs
past participle
waterproofed