Unneighborly [adjective]

Definition of Unneighborly:

nasty, hostile

Opposite/Antonyms of Unneighborly:

Sentence/Example of Unneighborly:

Very bitterly he thought of the unneighborly conduct of that woman and her cubs.

If it were merely a question of right, it would be unneighborly to insist.

But the "neighbor" did not answer, being engaged in the unneighborly act of covering him with a cocked pistol.