hostile
US /ˈhɑː.stəl/
UK /ˈhɑː.stəl/

1.
ostile, inimichevole
showing or feeling opposition or dislike; unfriendly
:
•
The crowd became hostile after the announcement.
La folla è diventata ostile dopo l'annuncio.
•
He gave me a hostile look.
Mi lanciò uno sguardo ostile.
2.
nemico
of or belonging to a military enemy
:
•
The soldiers encountered hostile forces.
I soldati incontrarono forze nemiche.
•
They crossed into hostile territory.
Attraversarono in territorio ostile.