'schizoid' definitions:

Definition of 'schizoid'

(from WordNet)
adjective
Of or relating to or characteristic of schizophrenia [syn: schizoid, schizophrenic]
adjective
Marked by withdrawal and inability to form close relationships
noun
Characterized by symptoms similar to but less severe than schizophrenia [syn: schizotypal personality, schizoid]

Synonyms of 'schizoid'

From: Moby Thesaurus