waterproof 1 of 2

as in waterproofed
made of or treated with material that does not allow water to penetrate luckily, my backpack is waterproof, so my clothes didn't get wet

Synonyms & Similar Words


Antonyms & Near Antonyms


2 of 2


chiefly British
as in raincoat
a coat made of water-resistant material remember your waterproof if you're walking around London in the winter

Synonyms & Similar Words

Thesaurus Entries Near waterproof

Cite this Entry

“Waterproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/waterproof. Accessed 27 Jan. 2023.

More from Merriam-Webster on waterproof

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
True or False

Test your knowledge - and maybe learn something along the way.

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?