(archaic) opposition

plural of opposal

To attempt to stop the progression of; to resist or antagonize by physical means, or by arguments, etc.; to contend against. / To object to. / To present or set up in opposition; to pose.

Third-person singular simple present indicative form of oppose

That opposes or oppose; on the opposite side.

present participle of oppose

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

simple past tense and past participle of oppose

Susceptible to being opposed or resisted. / Capable of being placed opposite something else.

One who opposes, one who shows opposition.