also: うおーたーぷるーふ
noun
Loanword used as a noun or adjectival noun, often in product descriptions for watches, clothing, bags, etc.
この時計はウォータープルーフです。
This watch is waterproof.
ウォータープルーフのバッグを買った。
I bought a waterproof bag.
Standard katakana spelling from English 'waterproof'.
Variant katakana spelling with オ instead of ォ; less common but still seen.
Native Japanese word for 'waterproof'; more formal and used in technical contexts, while ウォータープルーフ is a casual loanword often seen in consumer goods.
Borrowed from English 'waterproof'.