1. adversary - Noun
2. adversary - Adjective
3. Adversary - Proper noun
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.
Opposed; opposite; adverse; antagonistic.
Having an opposing party; not unopposed; as, an adversary suit.
Source: Webster's dictionaryBeware the wrath of a patient adversary. John C. Calhoun
The strategic adversary is fascism... the fascism in us all, in our heads and in our everyday behavior, the fascism that causes us to love power, to desire the very thing that dominates and exploits us. Michel Foucault
Hate traps us by binding us too tightly to our adversary. Milan Kundera
Thinking begins only when we have come to know that reason, glorified for centuries, is the stiff-necked adversary of thought. Martin Heidegger
Were the Soviet Union to sink tomorrow under the waters of the ocean, the American military-industrial establishment would have to go on, substantially unchanged, until some other adversary could be invented. Anything else would be an unacceptable shock to the American economy. George F. Kennan
That Amendment requires the state to be a neutral in its relations with groups of religious believers and nonbelievers; it does not require the state to be their adversary. State power is no more to be used so as to handicap religions than it is to favor them. Hugo Black