Translation guide
Describes situations, actions, or investments with a high chance of loss, danger, or failure.
Describing something that involves a high probability of danger or failure.
The most direct and common way to say 'high-risk'. Literally 'risk is high'. Can be used in many contexts.
この投資はリスクが高い。
This investment is high-risk.
その手術はリスクが高いと言われている。
That surgery is said to be high-risk.
Referring to people who are likely to engage in dangerous or problematic behavior.
Used for individuals, e.g., in insurance or medical contexts.
彼はリスクの高い患者だ。
He is a high-risk patient.
Describing actions that are likely to lead to negative outcomes.
Directly means 'dangerous act'. Suitable for legal, formal, or serious contexts.
飲酒運転は危険な行為です。
Drunk driving is a high-risk behavior.
リスクが高い is more common in everyday and business contexts. 危険性が高い sounds more formal and emphasizes the inherent danger, often used in official reports or news.
この薬は副作用のリスクが高い。
This medicine has a high risk of side effects.
この地域は洪水の危険性が高い。
This area has a high risk of flooding.
Loanword from English. Often used in financial or business contexts, but also in everyday speech.
ハイリスク・ハイリターンの投資
high-risk, high-return investment
Emphasizes the high degree of danger. More formal than リスクが高い.
この地域は地震の危険性が高い。
This area has a high risk of earthquakes.
Literally 'person requiring attention'. Used for suspicious or potentially dangerous individuals.
彼は要注意人物としてマークされている。
He is flagged as a high-risk individual.
A more direct translation of 'high-risk behavior', often used in psychology or health.
若者はリスクの高い行動をとりがちだ。
Young people tend to engage in high-risk behavior.