schizoid

Of, relating to, or having a personality disorder marked by extreme shyness, flat affect, reclusiveness, discomfort with others, and an inability to form close relationships.

Of, relating to, or suggestive of schizophrenia. No longer in scientific use.

Relating to or characterized by the coexistence of disparate or antagonistic elements.

A schizoid person.

characterized by social withdrawal and flat affect

schizophrenic

someone with Schizoid Personality Disorder

someone with schizophrenia

of or relating to or characteristic of schizophrenia

characterized by symptoms similar to but less severe than schizophrenia