neighbourly

Concise Oxford English Dictionary © 2008 Oxford University Press:
neighbour /ˈneɪbə(r)/ (US neighbor)

▶noun a person living next door to or very near to another.

■ a person or place in relation to others next to it.

▶verb (usu. as adj. neighbouring) be situated next to or very near (another).

– derivatives
neighbourless adjective,
neighbourliness noun,
neighbourly adjective.

– origin OE nēahgebūr, from nēah ‘nigh, near’ + gebūr ‘inhabitant, peasant, farmer’ (cf. boor).