けん
険
あく
悪

adjectival noun or quasi-adjective, noun

  1. dangerous, perilous, threatening, stormy, volatile, tense, critical, serious.
  2. stern (expression), hostile (attitude), sharp, harsh.

Variations

Pronunciation Kanji Kana Is Common
けん
険
あく
悪
 険悪 けんあく ✔

Contained Kanji Breakdown

precipitous, inaccessible place, impregnable position
ケン　けわ.しい (5th, N3)
place, left village radical - 2 stroke form (no. 170), mound
こざと
all, (僉 variant)
to assemble. to gather together
シュウ　あつまる
person
ひと　ニン　ジン (1st, N5)
one, one radical (no.1)
イチ　いっ　ひと- (1st, N5)
center, middle
オウ　あきら　え (3rd, N2)
mouth
くち　コウ　ク (1st, N4)
large, big
ダイ　おお-　た (1st, N5)
bad, vice, rascal
わる.い　アク　オ (3rd, N4)
Asia, rank next, come after
ア　つ.ぐ　や (Early High School, N1)
two, two radical (no. 7)
ニ　ふた　ふだ (1st, N5)
mouth
くち　コウ　ク (1st, N4)
heart, mind, spirit
こころ　シン (2nd, N4)