危険
Kana: きけん
dangerous
Example sentence
この川で泳ぐのは危険です。
このかわでおよぐのはきけんです。
Swimming in this river is dangerous.
What 危険 means
危険 (きけん) is a Japanese word meaning “dangerous”. It belongs to the Describing Words topic and appears at Level 3 (and again in Level 4), so it is one of the words worth learning early when you study Japanese.