What is the meaning of Rather?

Used to specify a choice or preference; preferably, in preference to. (Now usually followed by than)

Used to introduce a contradiction; on the contrary.

Introducing a qualification or clarification; more precisely. (Now usually preceded by or.)

Somewhat, quite; to an unexpected degree.

More quickly.

To prefer; to prefer to.

Prior; earlier; former.

An enthusiastic affirmation.

Alternative form of rathere (more quickly)

Alternative form of rathere (quicker)

Source: wiktionary.org