adverb In a way or manner that is real, not unreal.
adverb Actually; in fact; in reality.
"He really is a true friend." / "Really? What makes you so sure?"
adverb Very (modifying an adjective); very much (modifying a verb).
But ma, I really, really want to go to the show!
interjection Indicating surprise at, or requesting confirmation of, some new information; to express skepticism.
A: He won the Nobel Prize yesterday.
interjection A phatic confirmation by a listener, to signal active listening; mostly devoid of literal meaning, with the phatically contrived incredulity being merely formulaic.
A: You know, I saw Oliver the other day.
interjection Indicating that what was just said was obvious and unnecessary; contrived incredulity.
A: I've just been reading Shakespeare - he's one of the best authors like, ever!
interjection Indicating affirmation, agreement.
A: That girl talks about herself way too much.
interjection Indicating displeasure at another person's behaviour or statement.