1.VerbTo separate (oneself); to dissolve one's association with a person, group, or situation.
"After the scandal, the political party disassociated itself from the questionable candidate.; If the whole membership disassociates, the result will be disestablishment."
2.VerbTo separate into smaller discrete units, as with analysis.
"The problem is easier to understand if you disassociate the variables."
3.VerbTo separate; to disunite; to disintegrate; to dissolve.
"The fibers of this nonwoven textile disassociated when I tried to wash it."