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
used especially of drugs or muscles that counteract or neutralize each other's effect
indicating opposition or resistance
characterized by antagonism or antipathy
arousing animosity or hostility
incapable of harmonious association