schiz·o·phre·ni·a (skĭt′sə-frēnē-ə, -frĕnē-ə)
1. Psychiatry A heterogeneous psychiatric disorder characterized by psychotic behavior including delusions, hallucinations, withdrawal from reality, and disorganized patterns of thinking and speech.
2. A situation or condition characterized by conflicting qualities, attitudes, or activities: the national schizophrenia that results from carrying out an unpopular war. See Usage Note at schizophrenic.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.