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definitions
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high-proof

[hahy-proof]
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adjective
  1. containing a high percentage of alcohol: high-proof spirits.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for high-proof

Historical Examples

  • It turned out that my water was high-proof gin; yet this draught had no more effect on me than if it had been so much cold water.

    Ned Myers

    James Fenimore Cooper

  • Nitric acid will detect if there is cobalt in the lead, by adding to the acid half the quantity of high-proof alcohol.

  • To prevent fermentation, stir in a teacupful of high-proof California brandy.