from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Containing a greater proportion of alcohol than proof spirit, especially containing more than 50 percent alcohol by volume.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Possessing a higher proportion of alcohol than proof spirit. Sometimes abbreviated to OP.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Containing more alcohol than proof spirit; stronger than proof spirit; that is, containing more than 49.3 per cent by weight of alcohol.

from The Century Dictionary and Cyclopedia

  • Having a less specific gravity than 0.91984: said of alcoholic liquors.


from Wiktionary, Creative Commons Attribution/Share-Alike License

over- +‎ proof


  • Bruce Arthurs #655: More prosaically, John Crow Batty is either distillery-made overproof rum that has not seen the government inspector i.e., been smuggled out of the distillery raw.

    Making Light: Open thread 135

  • It is said to be a brown liquid and not white like Wray and Nephews overproof rum.

    Making Light: Open thread 135

  • Intrigued by Fragano's #650, I Googled: The more elusive and even stronger overproof rum found in Jamaica, is JB rum, being short for John Crow Batty rum.

    Making Light: Open thread 135

  • Walker Percy proclaimed that he never understood an enthusiasm for overproof whiskey, as it only meant one had to drink less.


  • Bake four of them whole in an overproof dish in a moderately hot oven for half an hour.

    What I cooked last night.

  • They might be forty overproof and played by forty bands, and every darned piccolo of them out of tune, if only we were making money.

    Tropic Days

  • It was bad enough to say things like this after a pint or two of overproof Allimir ale, but on tea and oatmeal it was nothing short of criminal.

    The Warslayer

  • Our Excise officers enter the cellars of the wholesale and retail spirit-dealers, only to gauge the strength of the spirit, and to ascertain how much it may be overproof, which alone regulates the Government duty; but for the sake of the public health I would go further than this.

    The International Monthly, Volume 3, No. 1, April, 1851

  • The gins grinned uncomprehendingly, but held out their pannikins, and into each he poured a three-finger nip of raw overproof rum that would have burnt the palate of Satan himself.

    Outback Marriage, an : a story of Australian life

  • A tremendous slap on the face -- dealt by his own hand, as a giant mosquito found and probed some tenderer spot than usual -- reminded him that some few things, which he did not wish for, were left to mingle in his cup of too great felicity, and reduce it, like water in overproof whisky, to the level of human capacity.

    The Rover of the Andes A Tale of Adventure on South America


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