high-risk

US /ˌhaɪˈrɪsk/
UK /ˌhaɪˈrɪsk/
"high-risk" picture
1.

de alto risco, arriscado

involving a greater than usual chance of suffering harm or loss

:
Investing in startups can be a high-risk venture.
Investir em startups pode ser um empreendimento de alto risco.
Patients with certain conditions are considered high-risk for complications.
Pacientes com certas condições são considerados de alto risco para complicações.