Want of restraint of the passions- especially of the sexual appetite; inability to restrain discharges.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (noun) (n.) (noun)
Lack of restraint, especially in indulging the passions.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (noun) (n.) (noun)
The state of being incontinent; want of self- restraint; inability of an animal organ to restrain discharges.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (noun) (n.) (noun)

Usage examples:

One advantage, at least, results from this system of things: there is no incontinence among the males in this republic!
- Locusts and Wild Honey by John Burroughs
Can anything more seriously militate against these than this same incontinence
- The Memorabilia Recollections of Socrates by Xenophon
We must be quite clear about this point, for so long as we toy in mind with the suggestion that there is any natural necessity for incontinence we are fatally weakened for our struggle.
- Men, Women, and God by A. Herbert Gray