a past participle of show.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for unshown
Contemporary Examples of unshown
A further 40 hours of unshown footage was locked away from sight in high-security vaults.Juiciest Bits From Robert Lacey’s Royal Biography ‘The Queen’
May 9, 2012
Historical Examples of unshown
B^2 represents the water store of an unshown generator which works by pressure.
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012