That forms or is situated in or on the other or further side, end, or boundary of an interval, space, or thing; placed over against or face to face with (another or one another): literally or figuratively: as, the opposite side of the street or square; the opposite door; an opposite angle.Contrary; reverse.Of a totally or radically different nature, quality, or tendency; also (of two persons or things), mutually antagonistic or repugnant; mutually opposed in character or action; contradictory; non-congruent: as, words of opposite meaning; opposite terms.Adverse; opposed; hostile; antagonistic; inimical.In botany: Situated on opposite sides of an axis, as leaves when there are two on one node.Having a position between an organ and the axis on which it is borne, as a stamen when it is opposite a sepal or petal. In both senses opposed to alternate.n. One who opposes or is adverse; an opponent; an adversary; an enemy; an antagonist.n. That which opposes; that which is opposed or is opposite; a complement in characteristic qualities or properties; specifically, as a logical term, anything contrasted with another in any sense.n. [Some modern writers on logic wish to call any two different species of the same genus opposites. This practice has little to recommend it.]In gcom., in any complete set of connectors or fans, said of the first and the (n /2+l)th, when n is even.n. In geometry, an opposite point.