Meaning of “be strung out” - Learner’s Dictionary

be strung out

phrasal verb with string us uk /strɪŋ/ verb [ T ] past tense and past participle strung

If a group of things or people are strung out somewhere, they are in a line with spaces between them:

There were chairs strung out across the room.

(Definition of “be strung out” from the Cambridge Learner’s Dictionary © Cambridge University Press)