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"resembling schizophrenia," 1925, from German schizoid (1921), from front part of schizophrenia + Greek -oeides "like," from eidos "form, shape" (see -oid).
schizoid schiz·oid (skĭt'soid')adj.
Of, relating to, or having a personality marked by extreme shyness, seclusiveness, and an inability to form close friendships or social relationships.