'High-proof' definitions:

Definition of 'High-proof'

From: GCIDE
  • High-proof \High"-proof`\, a.
  • 1. Highly rectified; very strongly alcoholic; as, high-proof spirits. [1913 Webster]
  • 2. So as to stand any test. "We are high-proof melancholy." --Shak. [1913 Webster]