Synonyms for Disaffiliated:

adj.

•extraneous (adjective)
foreign, inapplicable, external, Unallied, separate, extrinsic, separated, inadmissible, segregated, dissociated, alien, unrelated, outlandish, unaffiliated, parenthetical, strange, nonessential, irrelevant, inappropriate, estranged, unessential, extraneous, other, detached, removed, foreign-born, immaterial, impertinent, exotic, outside, outer, extraterrestrial, eerie, disconnected, disjoint.
•separate (adjective)
independent, disconnected, Disintegrated, unaffiliated, fragmentary, unglued, distinct, Sundered, severed, disassembled, unrelated, detached, autonomous, alienated, dissociated, individual, separate, disjoint.

v.

•detach (verb)
separate.
•separated (verb)
incised, ripped, axed, unhinged, disjoined, Pared, fragmented, sliced, split, Disengaged, disunited, dismantled, unfixed, Excised, broken, uncoupled, Amputated, dissected, Disassociated, cut, Insulated, cleaved, Halved, rent, broke, divided, divorced, Bisected, parted.