intrusion


intrusion (http://definr.com/intrusion)

     n 1: any entry into an area not previously occupied; "an invasion
          of tourists"; "an invasion of locusts"; "a viral
          invasion" [syn: invasion, encroachment]
     2: entrance by force or without permission or welcome
     3: entry to another's property without right or permission
        [syn: trespass, encroachment, violation]