The Collaborative International Dictionary of English v.0.48:

Interrupt \In`ter*rupt"\, v. t. [imp. & p. p. Interrupted; p.
   pr. & vb. n. Interrupting.] [L. interruptus, p. p. of
   interrumpere to interrupt; inter between + rumpere to break.
   See Rupture.]
   [1913 Webster]
   1. To break into, or between; to stop, or hinder by breaking
      in upon the course or progress of; to interfere with the
      current or motion of; to cause a temporary cessation of;
      as, to interrupt the remarks of anyone speaking.
      [1913 Webster]

            Do not interrupt me in my course.     --Shak.
      [1913 Webster]

   2. To divide; to separate; to break the monotony of; as, the
      evenness of the road was not interrupted by a single hill.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Interrupted \In`ter*rupt"ed\, a.
   1. Broken; intermitted; suddenly stopped.
      [1913 Webster]

   2. (Bot.) Irregular; -- said of any arrangement whose
      symmetry is destroyed by local causes, as when leaflets
      are interposed among the leaves in a pinnate leaf.
      [1913 Webster]

WordNet (r) 3.0 (2006):

interrupted
    adj 1: discontinued temporarily; "we resumed the interrupted
           discussion"
    2: intermittently stopping and starting; "fitful (or
       interrupted) sleep"; "off-and-on static" [syn: fitful,
       interrupted, off-and-on(a)]

Moby Thesaurus II by Grady Ward, 1.0:

33 Moby Thesaurus words for "interrupted":
   broken, broken off, chopped-off, choppy, decousu, disconnected,
   discontinued, discontinuous, discrete, disjunctive, episodic,
   fitful, herky-jerky, incoherent, intermittent, irregular, jagged,
   jerky, noncontinuous, nonlinear, nonsequential, nonserial,
   nonuniform, parenthetic, patchy, scrappy, snatchy, spasmodic,
   spotty, suspended, unconnected, unjoined, unsuccessive