underproof
Also found in: Acronyms.
un·der·proof
(ŭn′dər-pro͞of′)adj.
Having a smaller proportion of alcohol than proof spirit.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
underproof
(ˌʌndəˈpruːf)adj
(Brewing) (of a spirit) containing less than 57.1 per cent alcohol by volume
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
un•der•proof
(ˈʌn dərˈpruf)adj.
containing a smaller proportion of alcohol than proof spirit.
[1855–60]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.