na-adjective, noun which may take the genitive case particle 'no', noun
Describes something involving a high level of risk or danger. Used as a noun, adjectival noun (na-adjective), or prenominal (no-adjective).
Antonyms: ローリスク
This investment is high-risk, but the returns are also large.
I decided to undergo a high-risk surgery.
high-risk delivery
Variant with interpunct; less common but seen in some contexts.
Loanword from English 'high-risk', adopted into Japanese with the same meaning.