encroachment


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

     n 1: any entry into an area not previously occupied; "an invasion
          of tourists"; "an invasion of locusts"; "a viral
          invasion" [syn: invasion, intrusion]
     2: entry to another's property without right or permission
        [syn: trespass, violation, intrusion]
     3: influencing strongly: "they resented the impingement of
        American values on European culture" [syn: impingement,
        impact]