警報（けいほう、keihou）
- warning

The Japanese word 警報 (けいほう, keihou) means "warning," "alarm," or "alert." It's a general term used to describe a notification or signal indicating an impending danger, a problem, or an urgent situation. 警報 can apply to various contexts, including weather, natural disasters, emergencies, and even security-related issues. The purpose of a 警報 is to inform people so they can take appropriate action to protect themselves or mitigate the effects of the situation.

⚫︎ 地震警報 Translation: Earthquake warning/alert. ⚫︎ 大雨警報 Translation: Heavy rain warning/alert. ⚫︎ 避難警報］ Translation: Evacuation alert.

You use 警報 to discuss warnings about potential dangers. ⚫︎ It is crucial for conveying information about threats, so people can prepare or react accordingly. ⚫︎ It is commonly used in news reports, official announcements, and emergency broadcasts. ⚫︎ Often used with another word to specify the type of danger (e.g., 津波警報 - tsunami warning).

⚫︎ The word 警報 is written using kanji and hiragana. ⚫︎ The kanji is 警 (kei), meaning "warn," "caution," or "alert". ⚫︎ The kanji is 報 (hou), meaning "report," "information," or "notification". ⚫︎ The hiragana reading is けいほう (keihou). ⚫︎ There are no variations in the okurigana for this word.

⚫︎ 注意報(ちゅういほう, chuuihou): "Warning" or "Advisory" (often used for less severe situations). ⚫︎ アラーム (arāmu): "Alarm" (borrowed from English, often used for security systems). ⚫︎ 緊急事態(きんきゅうじたい, kinkyuu jitai): "Emergency situation"

There aren't direct antonyms for 警報 because it's a notification of a negative situation. However, words or phrases related to safety or the "all-clear" signal could be considered opposites in a contextual sense. ⚫︎ 安全(あんぜん, anzen): "Safety" ⚫︎ 平常(へいじょう, heijou): "Normality"

台風接近のため、暴風警報が発令されました。 ・Translation: A strong wind warning was issued due to the approaching typhoon. ・Explanation: This sentence describes the issuance of a strong wind warning due to a typhoon.

地震警報が出たら、まず安全な場所に避難してください。 ・Translation: If an earthquake warning is issued, evacuate to a safe place first. ・Explanation: This sentence explains what action to take when an earthquake warning is issued.

The word 警報 is a compound word. ⚫︎ The kanji 警 (kei) means "to warn," or "to caution." ⚫︎ The kanji 報 (hou) means "report," or "information." ⚫︎ Therefore,警報 literally means "warning report" or "alert information", reflecting its function of communicating urgent information to prevent harm.