Life outside of a contrived or fantastical environment; often used in comparison to events depicted in drama. / (by extension, sometimes capitalized) Life outside the Internet.

(complex analysis) Of a complex number a + bi, the value a.

(mathematics) The limit of a convergent sequence of rational numbers, whether the limit is a rational number such as 2, -5, or 2/7 or whether the limit is an irrational number such as the square root of two or the circumference of the circle whose radius is one.

plural of real number

Property that cannot easily be moved, usually buildings and the ground they are built on. / (informal) Space used for a particular purpose.

(philosophy) real being

(idiomatic) The genuine thing, neither a substitute nor an imitation.

(idiomatic, colloquial) To be authentic, true to oneself; to be cool. / (idiomatic, colloquial) In the imperative, an exhortation used as a departing salutation.

Communicated as the events being responded to occur; communicated or proceeding without much delay (compare instantaneous, synchronous)

Alternative form of real McCoy