Translation guide
How to express 'warning' in Japanese, from official alerts to casual heads-ups.
A formal notice of danger, a rule violation, or an official caution.
The standard word for an official warning, such as from authorities, systems, or in formal contexts.
気象庁が大雨の警告を出した。
The meteorological agency issued a heavy rain warning.
警告を無視すると罰金が科せられます。
If you ignore the warning, you will be fined.
Specifically a weather advisory or watch, less severe than 警報 (けいほう). Used in meteorological contexts.
大雨注意報が発令された。
A heavy rain advisory has been issued.
A more urgent official warning, often for natural disasters. Stronger than 注意報.
津波警報が出ています。
A tsunami warning has been issued.
Telling someone to be careful or giving a friendly warning about something.
General word for caution, attention, or a warning to be careful. Often used in signs or verbal reminders.
足元に注意してください。
Please watch your step.
彼に注意したけど、聞かなかった。
I warned him, but he didn't listen.
Casual way to say 'be careful' or 'take care'. Very common in daily conversation.
車に気をつけてね。
Watch out for cars.
Advice or warning given out of concern, often personal. Slightly formal.
Something that serves as a warning of future trouble.
An omen or sign that something (usually bad) is about to happen.
それは地震の前兆かもしれない。
That might be a warning sign of an earthquake.
A sign or indication, often used in medical or technical contexts.
A formal statement that someone has broken a rule and may face consequences.
Used for official warnings in sports, workplaces, or legal contexts.
彼はスピード違反で警告を受けた。
He received a warning for speeding.
審判が選手に警告を与えた。
The referee gave the player a warning.
A formal reprimand or admonition, often used in legal or disciplinary settings.
警告 (けいこく) is a formal warning, often from an authority. 注意 (ちゅうい) is a general caution or heads-up. 忠告 (ちゅうこく) is personal advice or warning given out of concern.
医者の忠告に従って禁煙した。
I quit smoking on my doctor's advice.
病気の兆候が見られた。
Warning signs of the disease were observed.
裁判官は被告に戒告を与えた。
The judge gave the defendant a warning.