けいかい 警戒 Common word JLPT N1 Wanikani level 40 Play audio LinksSentence search for 警戒Sentence search for けいかいKanji details for 警 and 戒Edit in JMdict Noun, Suru verb, Transitive verb1. vigilance; caution; alertness; precaution; being on guardかれ彼はわれわれ我々をけいかい警戒しているようだ。He seems to be wary of us. Discussions Log in to talk about this word.