害

音読おんよみ: ガイ・gai

訓読くんよみ: (none commonly used)

画数かくすう: 10 strokes

部首ぶしゅ: 宀(うかんむり / roof)

Meaning

Harm, Injury, Damage, Danger — A negative impact or danger to people, health, or the environment.


  • 被害ひがい — damage, suffering
  • 害虫がいちゅう — harmful insect
  • 公害こうがい — pollution
  • 災害さいがい — disaster
  • 障害しょうがい — obstacle, disorder
  • 加害者かがいしゃ — perpetrator

The top 宀 suggests a roof or house, while the lower part 豈 (phonetic + meaning hint) relates to misfortune. 害 has long conveyed the sense of injury or harm — both physical and psychological. In modern usage, it's often part of legal or social terms.

台風たいふうおおきな被害ひがいた。
There was major damage from the typhoon.

害虫がいちゅう駆除くじょする。
We eliminate harmful insects.

公害こうがい社会しゃかい問題もんだいです。
Pollution is a societal issue.

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Radicals Full List Spin 9