King's Kung-Fu& Tai Chi

Japanese symbol for “prophylactic”

Romaji: yobouyaku
prophylactic (drug); preventive medicine

In Japanese, prophylactic is , read (yobouyaku).

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. n prophylactic (drug); preventive medicine

Kanji and stroke order

beforehand, previous, myself
on: ヨ、シャ
kun: あらかじ.め
4 strokes · JLPT 2
ward off, defend, protect
on: ボウ
kun: ふせ.ぐ
7 strokes · JLPT 2
medicine, chemical, enamel
on: ヤク
kun: くすり
16 strokes · JLPT 3

Other Japanese words for “prophylactic”

WordReadingMeaning
よぼういがく yobouigakupreventive medicine; prophylactic

Related words

Words that share a kanji.

WordReadingMeaning
よてい yoteiplans; arrangement; schedule
よそう yosouexpectation; anticipation; prediction
よやく yoyakureservation; appointment; booking
よさん yosanestimate (of costs); budget
よせん yosenpreliminary contest; qualifying round; trial
よび yobireserve; spare
ぼうえい boueidefense; defence; protection
ぼうし boushiprevention; check
まやく mayakunarcotic; drug; dope

See also: Chinese symbol for “prophylactic”.

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.