v.1. To make something longer than usual or necessary; prolong something: The prosecution strung out the trial hoping to get the time to gather more evidence. We've already said everything that needs to be said in this conversation, so why do you keep trying to string it out?
2. To spread out in a line. Used in the passive: From the plane, we could see small villages that were strung out along the coast.
3. Slang To become intoxicated, especially with an addictive opiate or stimulant. Used in the passive: He was so strung out that he couldn't talk. People started to suspect that the athlete was strung out on coke or booze, or both.