n. The range of one's perceptions, thoughts, or actions.n. Breadth or opportunity to function. See Synonyms at room.n. The area covered by a given activity or subject. See Synonyms at range.n. The length or sweep of a mooring cable.n. Informal A viewing instrument such as a periscope, microscope, or telescope.v. Slang To examine or investigate. Often used with out: "Their World Wide Web site is, for now, the best place to scope out the future of the media business in cyberspace.” ( Marc Gunther).