an opponent; an adversary; an enemy.

a man belonging to one's opposition party (in politics).

belonging to an opposing (political) party.

the quality or characteristic that is just contrary to one.

a feeling or condition of hostility; hatred; ill will; animosity; enmity.

an opponent; an adversary; an enemy.

the opposition party (as in politics;).

the military force of one's enemy.

the fact of (the eye-lids) being open.

a man belonging to one's opposition party (as in politics).

the quality of being impartial, not favouring either of the opposing parties; impartiality.

any of the two fortnights in a lunar month (as mutually related to each other).