(modal) Actually; in fact; in reality. Example: "He really is a true friend." / "Really? What makes you so sure?"
(as an intensifier) Very (modifying an adjective); very much (modifying a verb). Example: But ma, I really, really want to go to the show!
Indicating surprise at, or requesting confirmation of, some new information; to express skepticism. Example: A: He won the Nobel Prize yesterday.
(sarcastic, typically exaggerated question.) Indicating that what was just said was obvious and unnecessary; contrived incredulity Example: A: I've just been reading Shakespeare - he's one of the best authors like, ever!
Indicating affirmation, agreement. Example: A: That girl talks about herself way too much.
Indicating displeasure at another person's behaviour or statement. Example: Well, really! How rude.
All clues having "REALLY"
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You can find a list of possible crossword clues for REALLY below.