1) Apart 2) Asternal 3) Disjoined 4) Disjointed 5) Dissociated 6) Divorced 7) Garbled 8) Incoherent 9) Irrelevant 10) Loose 11) Separate 12) Separated 13) Unattached 14) Uncoupled 15) Unrelated 1) Discrete 2) Disparate 3) Dissimilar 4) Dissociated 5) Distinct 6) Isolated 7) Lacking orderly continuity 8) Not connected 9) Not joined or linked together 10) Not linked 11) Not related 12) Unrelated 
[adj] - not connected by birth or family 2. [adj] - not joined or linked together
adjective not connected by birth or family
not connected; not joined together or attached: an unconnected wire. · lacking coherence: an unconnected account of the accident.