Definition of really

• in accordance with truth or fact or reality; "she was now truly American"; "a genuinely open society"; "they dont really listen to us"
• in actual fact; "to be nominally but not actually independent"; "no one actually saw the shark"; "large meteorites actually come from the asteroid belt"
• in fact (used as intensifiers or sentence modifiers); "in truth, moral decay hastened the decline of the Roman Empire"; "really, you shouldnt have done it"; "a truly awful book"