Noun

1. schizotypal personality, schizoid, personality disorder

usage: characterized by symptoms similar to but less severe than schizophrenia

Adjective

1. schizoid, schizophrenic

usage: of or relating to or characteristic of schizophrenia

2. schizoid, neurotic (vs. unneurotic), psychoneurotic

usage: marked by withdrawal and inability to form close relationships

See also: schizoid (Dictionary)