very unfavorable to life or growth
characterized by enmity or ill will
impossible to bring into friendly accord
troops belonging to the enemy's military forces
unsolicited and resisted by the management of the target company (used of attempts to buy or take control of a business)
not belonging to your own country's forces or those of an ally
characteristic of an enemy or one eager to fight
tending to spread quickly
having or showing determination and energetic pursuit of your ends