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.
The meteorological agency issued a heavy rain warning.
Specifically a weather advisory or watch, less severe than 警報 (けいほう). Used in meteorological contexts.
A more urgent official warning, often for natural disasters. Stronger than 注意報.
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.
Please watch your step.
Casual way to say 'be careful' or 'take care'. Very common in daily conversation.
Watch out for cars.
Advice or warning given out of concern, often personal. Slightly formal.
Something that serves as a warning of future trouble.
A formal statement that someone has broken a rule and may face consequences.
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.
If you ignore the warning, you will be fined.
A heavy rain advisory has been issued.
津波警報が出ています。
A tsunami warning has been issued.
I warned him, but he didn't listen.
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.
The referee gave the player a warning.
裁判官は被告に戒告を与えた。
The judge gave the defendant a warning.