Definition of "split personality" []

• Multiple personality. No longer in scientific use. (noun)
• Schizophrenia. No longer in scientific use. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Indeed, the split personality of Imperial Germany was almost perfectly mirrored by the personality of the kaiser: one moment, warm, sentimental, and outgoing; the next, blustering, threatening, and vengeful."