An other, another (person, etc), more often rendered as another. / The other one; the second of two.

One's romantic partner, regardless of marital status or gender. / A person with whom one has an important bond of some kind.

Others' circumstances seem more desirable than one's own but in reality often are not.

(sequence, idiomatic) From another point of view.

(idiomatic) To be heard but not attended to, when a person fails to pay attention.

(informal) A woman who is romantically involved with someone (usually a man) already in a committed relationship with another woman, especially a woman having an affair with a married man.

(idiomatic) To have more important things to do.

(British) A formulaic name that is substituted for that of a person whose name or identity is not known, or not relevant; typically used when exhibiting an example.

(obsolete) In another manner.

The same but with the mentioned things or people in reverse order or position. / In reversed orientation.