n., pl., -ties.
Exemption from punishment, penalty, or harm.
[Latin impūnitās, from impūne, without punishment : in-, not; see in-1 + poena, penalty (from Greek poinē).]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.