1. and strung (up) mod. drug intoxicated and bewildered. (Drugs.) Marlon is really strung out lately. What’s he shooting now?
2. mod. badly addicted to heroin; dissipated by heroin. (Drugs.) Clare is strung out and can’t deny her problem any longer.
3. mod. depressed; nervous. I’m a little strung out—because of the accident, I guess.
4. mod. in love and disoriented. Sam is strung out over Mary.