よぼう 予防 Common word JLPT N3 Wanikani level 20 Play audio LinksSentence search for 予防Sentence search for よぼうSentence search for 預防Kanji details for 予 and 防Edit in JMdict Noun, Suru verb, Transitive verb1. prevention; protection (against); precautionOther forms預防 【よぼう】Notes預防: Rarely-used kanji form. Discussions Log in to talk about this word.