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wa·ter·proof

waterproof

 
pronunciation:
waw tr pruf
parts of speech:
adjective, verb
part of speech: adjective
definition: not letting water through; not absorbent.
The waterproof jacket kept the rain off her dress.
antonyms:
absorbent
 
part of speech: verb
inflections: waterproofs, waterproofing, waterproofed
definition: to make waterproof.
I waterproofed my boots with mink oil.
derivations: waterproofer (n.), waterproofness (n.)