Situated, occurring, or operating below the surface of the earth, Of or relating to an avant-garde movement or its films, publications, and art, usually privately produced and of special appeal and often concerned with social or artistic experiment, Being below the surface of the ground, adverb_ Beneath the surface of the earth, Below the ground, in or into hiding or secret operation, noun_ a secret group organized to overthrow a government or occupation force, a group or movement holding unorthodox views in an environment where conventional ideas dominate, as in artistic circles, An underground passage, verb_ To route electricity distribution cables underground, transitive verb_ To situate under the ground

A building, room, or outdoor structure for the presentation of plays, films, or other dramatic performances, The quality or effectiveness of a theatrical production, A building appropriated to the representation of dramatic spectacles; a play-house

Plural form of film, verb_ Third person singular of film

Literature or art intended to arouse sexual desire, noun_ Erotic literature or art, Sexual images or object, creative activity (writing or pictures or films etc) of no literary or artistic value other than to stimulate sexual desire