1.nounThe realm of human experience comprising physical objects, and excluding theoretical constructs, hypotheses, artificial environments, and "virtual" worlds such as the Internet, computer simulations, or the imagination.
"It's time to relocate this experiment from the laboratory into the real world."
2.adjectiveHaving a practicable, verifiable quality; not imaginary, theoretical or based in a non-physical realm, such as heaven or cyberspace.
"The moon rocket was a real-world application of astrophysics."