OPPO'SE, s as z. L. oppono, opposui. The change of n into s is unusual. Two different verbs may be used, as in L. fero, tuli. See Pose.
1. To set against to put in opposition, with a view to counterbalance or countervail, and thus to hinder defeat, destroy or prevent effect as, to oppose one argument to another.
I may without presumption oppose my single opinion to his.
2. To act against to resist, either by physical means, by arguments or other means. The army opposed the progress of the enemy, but without success. Several members of the house strenuously opposed the bill, but it passed.
3. To check to resist effectually. The army was not able to oppose the progress of the enemy.
4. To place in front to set opposite.
5. To act against, as a competitor.