adversary
C1Substantiv/US /ˈædvɚsˌɛriː/ ĂDV-ərs-ĕr-ē; UK /ˈædvɚsˌɛriː/ ĂDV-ərs-ĕr-ē/
One who is turned against another or others with a design to oppose or resist them; a member of an opposing or hostile party; an opponent; an antagonist; an enemy; a foe.
