害
JLPT N3
Harm
Readings
On’yomi: ガイ (gai)
Structure
Composition:
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Detailed Explanation
Vocabulary
害
がい
harm
害虫
がいちゅう
harmful insect
被害
ひがい
damage
公害
こうがい
pollution
利害
りがい
interest
Example Sentences
害があります。
がい が あります。
There is harm.
害虫を退治します。
がいちゅう を たいじ します。
I exterminate pests.
被害が出ます。
ひがい が でます。
Damage occurs.
公害問題です。
こうがい もんだい です。
It is a pollution issue.
利害が一致します。
りがい が いっち します。
Interests match.
Cultural Note
🎎 害 reflects a preventive mindset deeply embedded in Japanese culture.
• Many compounds like 有害 (harmful) or 害虫 (pest) are used in public health, agriculture, and safety contexts.
• The imagery of harm entering a home (宀 + 口) symbolizes vigilance against threats to family and community.
• Culturally, Japanese society emphasizes protection and mitigation of 害 — seen in disaster preparedness, hygiene, and environmental care.
• Many compounds like 有害 (harmful) or 害虫 (pest) are used in public health, agriculture, and safety contexts.
• The imagery of harm entering a home (宀 + 口) symbolizes vigilance against threats to family and community.
• Culturally, Japanese society emphasizes protection and mitigation of 害 — seen in disaster preparedness, hygiene, and environmental care.