dis·so·ci·ate v. t. [imp. & p. p. Dissociated; p. pr. & vb. n. Dissociating.] To separate from fellowship or union; to disunite; to disjoin; as, to dissociate the particles of a concrete substance.
Before Wyclif's death in 1384, John of Gaunt had openly dissociated himself from the reformer. --A. W. Ward.