hostile hostile /hɑːˈstaɪl/

adjective

1. () Characterized by enmity or ill will  ( hostile )
   characterized by enmity or ill will
    A hostile nation
   a hostile nation
    A hostile remark
   a hostile remark
    Hostile actions
   hostile actions
   
2. () Not belonging to your own country's forces or those of an ally  ( hostile )
   not belonging to your own country's forces or those of an ally
    Hostile naval and air forces
   hostile naval and air forces
   
3. Unsolicited and resisted by the management of the target company (used of attempts to buy or take control of a business)  ( hostile )
   unsolicited and resisted by the management of the target company (used of attempts to buy or take control of a business)
    Hostile takeover
   hostile takeover
    Hostile tender offer
   hostile tender offer
    Hostile bid
   hostile bid
   
4. Very unfavorable to life or growth  ( hostile , uncongenial , unfriendly )
   very unfavorable to life or growth
    A hostile climate
   a hostile climate
    An uncongenial atmosphere
   an uncongenial atmosphere
    An uncongenial soil
   an uncongenial soil
    The unfriendly environment at high altitudes
   the unfriendly environment at high altitudes
   
5. Impossible to bring into friendly accord  ( hostile )
   impossible to bring into friendly accord
    Hostile factions
   hostile factions
   

noun

1. (military) troops belonging to the enemy's military forces  ( hostile )
   (military) troops belonging to the enemy's military forces
    The platoon ran into a pack of hostiles
   the platoon ran into a pack of hostiles