hostile

adjective

1
unsolicited and resisted by the management of the target company ( used of attempts to buy or take control of a business)
hostile takeover
hostile tender offer
2
not belonging to your own country's forces or those of an ally
hostile naval and air forces
3
very unfavorable to life or growth
a hostile climate
an uncongenial atmosphere
4
characterized by enmity or ill will
a hostile nation
a hostile remark
5
impossible to bring into friendly accord
hostile factions

1
troops belonging to the enemy's military forces
the platoon ran into a pack of hostiles

Also useful for “hostile”:Unscrambler— Rearrange the letters in “hostile”