WordNet (r) 3.0 (2006):

disturbance of the peace
    n 1: any act of molesting, interrupting, hindering, agitating,
         or arousing from a state of repose or otherwise depriving
         inhabitants of the peace and quiet to which they are
         entitled [syn: disorderly conduct, disorderly behavior,
         disturbance of the peace, breach of the peace]