dissociative

adj

1. Removing or separating from some association.

   “It was a lonely, dissociative time in my life, when I stayed holed up in my apartment for weeks on end.”

2. Causing dissociation.

   “The dissociative techniques separated ammonium chloride into hydrochloric acid and ammonia.”

3. Related to or caused by dissociation or dissociative disorders.

   “He had to take a few weeks off school after a dissociative episode.”

noun

1. A dissociative drug.