meaningless.
LSD is not considered an addictive drug because it doesn't cause uncontrollable drug-seeking behavior.
https://www.drugabuse.gov/publications/drugfacts/hallucinogens
While certain hallucinogens can be addictive, LSD does not trigger drug-seeking behaviors. It does not produce a craving for more or cause symptoms of withdrawal from going without it. That being said, this does not make it a safe drug.
Despite it not causing addictive behavior, LSD does produce a tolerance.
https://www.rehabspot.com/drugs/hallucinogens/lsd/
Because LSD is not habit-forming or addictive, in the physical sense, there are no withdrawal symptoms.
https://www.recoveryranch.com/resources/addiction-facts/lsd-facts/