American English
/ˈwɔ.ɾɚpˌɹuf/
3 syllables · Stress the first syllable.
Designed to keep water out and protect something from getting wet or damaged.
Waterproof commonly has the AW vowel in the first syllable. Some American speakers use an AH vowel instead; both pronunciations are natural.
Designed to keep water out and protect something from getting wet or damaged.
This jacket is waterproof.
Keep your phone in a waterproof case.
Water-resistant gives limited protection from water. Waterproof gives much stronger protection.
waterproof jacket · waterproof boots · waterproof phone case · waterproof watch
something + be + waterproof
make + something + waterproof
To treat or change something so that water cannot get into it or harm it.
We waterproofed the tent before the trip.
Waterproof your shoes with this spray.
waterproof a tent · waterproof your shoes
waterproof + something
waterproof + something + with + a product