really

adverb
  1. In actual fact, as opposed to what is said or imagined to be true or possible. adverb
    She said she was fine, but really she was quite upset.
    He seems confident, but really he's very nervous.
  2. Used to emphasize a statement or opinion. adverb
    I really like this movie.
    This is really important for our project.
  3. Used to express interest, surprise, or doubt. adverb
    'I'm moving to Canada.' 'Really?'
    'I finished the project early.' 'Really? That's impressive!'