Comparative form of high-risk: more high-risk(adjective)
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Use "higher-risk" in a sentence
"For higher-risk devices, the cost of approval more than triples."
"In some ways, there's good reason for this: The agency's Office of Disaster Assistance speeds funds to borrowers in regions hammered by natural disasters, and it funds Community Development Financial Institutions that make loans to borrowers with higher-risk profiles."
"That replaces the "higher-risk, higher-reward" system long entrenched at securities firms before the crisis erupted."