(uncountable) The attribute or characteristic of acting in secrecy, or in such a way that the actions are unnoticed or difficult to detect by others.
(archaic, countable) An act of secrecy, especially one involving thievery.
1877, George Hill, An Historical Account of the Plantation in Ulster at the Commencement of the Seventeenth Century, M'Caw, Stevenson & Orr, page 352:King thinks it fit... that restitution according to this order be made to the petitioners for stealths committed upon them last winter (273).