Definition of "high-proof" [high•-proof]

• Highly rectified; very strongly alcoholic. (adjective)
• So as to stand any test. (adjective)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "You don't want your taste buds overwhelmed by high-proof spirits, let alone the sugar and citrus that goes into so many mixed drinks."
• "The Parisian Negroni employs Campari with the high-proof Louis Royer "Force 53" VSOP Cognac in place of gin, along with Punt e Mes and allspice dram, for a most potent and complex cocktail."
• "The science of making small-batch, high-proof alcohol has remained largely unchanged for centuries."