In an opposite position.

Facing, or across from. / In a complementary role to. / (television) On another channel at the same time.

Third-person singular simple present indicative form of oppose

That opposes or oppose; on the opposite side.

present participle of oppose

Someone who takes advantage of any opportunity to advance their own situation, placing expediency above principle.

Suitable for some particular purpose. / At a convenient or advantageous time.

(economics) The cost of an opportunity forgone (and the loss of the benefits that could be received from that opportunity); the most valuable forgone alternative.

plural of opportunity

Acting in opposition; opposing. / Being, of having an opponent; not unopposed. / Opposite.