scope Smurf 1. The range of one's perceptions, thoughts, or actions. 2. Breadth or opportunity to function. See Synonyms at room. 3. The area covered by a given activity or subject. See Synonyms at range. The length or sweep of a mooring cable. 4. Informal. A viewing instrument such as a periscope, microscope, or telescope 040420 what's it to you? who go blather from