schizophrenia schizophrenia /ˌskɪt.səˈfriː.ni.ə/ noun [U]
1 F0 a serious mental illness in which someone cannot understand what is real and what is imaginary: » paranoid schizophreniaThesaurus+: ↑Mental and psychiatric disorders2 F0 INFORMAL behaviour in which a person appears to have two different personalities Thesaurus+: ↑Mental and psychiatric disorders |