POS'SIBLE, a. L. possibilis, from posse. See Power.

That may be or exist that may be now, or may happen or come to pass that may be done not contrary to the nature of things. It is possible that the Greeks and Turks may now be engaged in battle. It is possible that peace of Europe may continue a century. It is not physically possible that a stream should ascend a mountain, but it is possible that the Supreme Being may suspend a law of nature, that is, his usual course of proceeding. It is not possible that 2,3 should be 7, or that the same action should be morally right and morally wrong.

This word when pronounced with a certain emphasis, implies improbability. A thing is possible, but very improbable.