un‧friend‧ly comparative unfriendlier, superlative unfriendliest
not kind or friendly:
The old man looked cross and unfriendly.
a lonely unfriendly place
The villagers were really quite unfriendly towards us.
not helping or wanting a type of person or thing
We have created cities that are unfriendly to pedestrians.
an unfriendly government or nation is one that opposes yours