adverb: to a certain extent; fairly or moderately
The test was rather difficult.
adverb: used to indicate a preference or to introduce a more desirable alternative
I would rather stay home than go to the party.
adverb: on the contrary, used to negate and replace a preceding statement
I didn't find the film boring; rather, it was surprisingly engaging.
adverb: used to introduce a correction or more accurate statement
He arrived on Tuesday, or rather early Wednesday morning.
