drug-addicted vs strung-out

drug-addicted and strung-out both are adjectives.

Word	Noun	Adjective	Verb	Adverb
drug-addicted	No	Yes	No	No
strung-out	No	Yes	No	No

As adjectives, drug-addicted and strung-out are synonyms defined as:

Other synonyms of drug-addicted include dependant, dependent, hooked.

drug-addicted (adjective)	strung-out (adjective)
addicted to a drug	addicted to a drug