1.
requiring caution; needing attention; one to watch out for
A label meaning that something or someone needs careful attention or watching. Literally 'caution required' (要 'need' + 注意 'caution'). Often used attributively, as in 要注意人物.
この薬は要注意だ。
This medicine requires caution.
彼は要注意人物としてマークされている。
He is marked as a person to watch out for.
健康診断で血圧が要注意と判定された。
My blood pressure was rated as requiring attention at the health checkup.
Used as a warning label on health results, road signs, weather alerts, and the like. Frequently combined into compounds or used with の before a noun.
COMMON COLLOCATIONS:
- 要注意人物: a person to watch out for
- 要注意警報: a caution-level warning
- 要注意箇所: a spot that needs care
SIMILAR WORDS:
- 注意: caution, attention — the plain noun without the 'required' sense
- 警戒: vigilance, alert — stronger, implies active guarding against danger