Opponent :: Opponent (n.) One who opposes; an adversary; an antagonist; a foe.
Opponent :: Opponent (n.) One who opposes in a disputation, argument, or other verbal controversy; specifically, one who attacks some theirs or proposition, in distinction from the respondent, or defendant, who maintains it..
Opportunism :: Opportunism (n.) The art or practice of taking advantage of opportunities or circumstances, or of seeking immediate advantage with little regard for ultimate consequences..
Opportunist :: Opportunist (n.) One who advocates or practices opportunism.
Opportunity :: Opportunity (n.) Fit or convenient time; a time or place favorable for executing a purpose; a suitable combination of conditions; suitable occasion; chance.
Opportunity :: Opportunity (n.) Convenience of situation; fitness.
Oppose :: Oppose (n.) To place in front of, or over against; to set opposite; to exhibit..
Oppose :: Oppose (n.) To put in opposition, with a view to counterbalance or countervail; to set against; to offer antagonistically..
Oppose :: Oppose (n.) To resist or antagonize by physical means, or by arguments, etc.; to contend against; to confront; to resist; to withstand; as, to oppose the king in battle; to oppose a bill in Congress..
Oppose :: Oppose (n.) To compete with; to strive against; as, to oppose a rival for a prize..