unfriendly
US /ʌnˈfrend.li/
UK /ʌnˈfrend.li/

1.
antipático, hostil, indiferente
not friendly; hostile or aloof
:
•
The new neighbor seemed very unfriendly.
O novo vizinho parecia muito antipático.
•
The atmosphere in the office was unfriendly and tense.
A atmosfera no escritório era antipática e tensa.