- a past participle of show.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for 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
B^2 represents the water store of an unshown generator which works by pressure.
- a past participle of show