The Collaborative International Dictionary of English v.0.48:

Incontinent \In*con"ti*nent\, n.
   One who is unchaste. --B. Jonson.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Incontinent \In*con"ti*nent\, adv. [Cf. F. incontinent.]
   Incontinently; instantly; immediately. [Obs.]
   [1913 Webster]

         He says he will return incontinent.      --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Incontinent \In*con"ti*nent\, a. [L. incontinens: cf. F.
   incontinent. See In- not, and Continent.]
   [1913 Webster]
   1. Not continent; uncontrolled; not restraining the passions
      or appetites, particularly the sexual appetite; indulging
      unlawful lust; unchaste; lewd.
      [1913 Webster]

   2. (Med.) Unable to restrain natural evacuations, such as
      urination or defecation.
      [1913 Webster]

WordNet (r) 3.0 (2006):

incontinent
    adj 1: not having control over urination and defecation [ant:
           continent]