King's Kung-Fu& Tai Chi

Japanese symbol for “waterproof”

Romaji: taisui
water-resistant; waterproof

In Japanese, waterproof is , read (taisui).

Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.

Meanings

  1. adj-no, n water-resistant; waterproof

Kanji and stroke order

-proof, enduring
on: タイ
kun: た.える
9 strokes · JLPT 1
water
on: スイ
kun: みず、みず-
4 strokes · JLPT 4

Other Japanese words for “waterproof”

WordReadingMeaning
ぼうしん boushinwatertight; waterproof
ウォータープルーフ wootaapuruufuwaterproof

Related words

Words that share a kanji.

WordReadingMeaning
たえる taeruto bear; to stand; to endure
にんたい nintaiendurance; perseverance; patience
たいきゅう taikyuuendurance; persistence
たいせい taiseiresistance (to heat, corrosion, etc.); tolerance (to a drug, pain, etc.)
たいねつ tainetsuheat-resisting
たいか taikafireproof
みずぎ mizugibathing suit; swimsuit; swimmers
すいじゅん suijunlevel; standard

See also: Chinese symbol for “waterproof”.

Data: JMdict (CC BY-SA 4.0); KANJIDIC2 (CC BY-SA 4.0); KanjiVG (CC BY-SA 3.0); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.