hostile
noun
troops belonging to the enemy's military forces
“the platoon ran into a pack of hostiles”
Oppositesfriendly
adjective
characterized by enmity or ill will
“a hostile nation”
“a hostile remark”
Oppositesamicablenot belonging to your own country's forces or those of an ally
“hostile naval and air forces”
Oppositesfriendlyimpossible to bring into friendly accord
“hostile factions”
very unfavorable to life or growth
“a hostile climate”
“an uncongenial atmosphere”
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”
Source: WordNet 3.1, Princeton University
