of, pertaining to, or characteristic of an enemy

a hostile nation.

opposed in feeling, action, or character; antagonistic

hostile criticism.

characterized by antagonism.

not friendly, warm, or generous; not hospitable.

a person or thing that is antagonistic or unfriendly.

Military . an enemy soldier, plane, ship, etc.

adjective

agreeable , friendly , gentle , kind , nice , welcoming

adjective

adverse , alien , allergic , anti * , argumentative , bellicose , belligerent , bitter , catty * , chill * , cold * , competitive , contentious , contrary , disapproving , dour , hateful , ill-disposed , inhospitable , inimical , malevolent , malicious , malignant , militant , nasty , opposed , opposite , oppugnant , ornery * , pugnacious , rancorous , scrappy , sour * , spiteful , surly , unfavorable , unfriendly , unkind , unpropitious , unsociable , unsympathetic , unwelcoming , viperous , virulent , vitriolic , warlikenotes:a hostel is inexpensive supervised lodging , while hostile means characterized by enmity or ill will or very unfriendly or antagonistic , combatant , combative , quarrelsome , truculent , warlike , aggressive , antagonistic , antipathetic , averse , disaffected , discordant , dissonant , enemy , feral , glacial , incongruous , inimicable , irreconcilable , martial , mean , mutinous , provocative , pugilistic , rebellious , repugnant , sour , umbrageous , vehement , venomous , vicious