Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Adjective: unneighborly  ,ún'ney-bur-lee
Usage: US (elsewhere: unneighbourly)
  1. Not exhibiting the qualities expected in a friendly neighbor
    "His unneighborly behavior included playing loud music late at night";
    - unneighbourly [Brit, Cdn]

See also: unfriendly