[ kahy-zer ]
See synonyms for kaiser on Thesaurus.com
  1. a German emperor.

  2. an Austrian emperor.

  1. History/Historical. a ruler of the Holy Roman Empire.

  2. a person who exercises or tries to exercise absolute authority; autocrat.

Origin of kaiser

1150–1200; <German ≪ Latin Caesar emperor, special use of proper name (see Caesar); replacing Middle English keisere, (north) caisere<Old Norse keisari ≪ Latin as above; compare Old English cāsere

Other words from kaiser

  • kai·ser·dom, noun

Words Nearby kaiser

Other definitions for Kaiser (2 of 2)

[ kahy-zer ]

  1. Henry J(ohn), 1882–1967, U.S. industrialist.

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How to use kaiser in a sentence

British Dictionary definitions for Kaiser (1 of 2)


/ (ˈkaɪzə) /

noun(sometimes not capital) history
  1. any German emperor, esp Wilhelm II (ruled 1888–1918)

  2. obsolete any Austro-Hungarian emperor

Origin of Kaiser

C16: from German, ultimately from Latin Caesar emperor, from the cognomen of Gaius Julius Caesar

Derived forms of Kaiser

  • kaiserdom or kaiserism, noun

British Dictionary definitions for Kaiser (2 of 2)


/ (German ˈkaizər) /

  1. Georg (ˈɡeːɔrk). 1878–1945, German expressionist dramatist

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for Kaiser


[ (keye-zuhr) ]

The German word for “emperor.” The emperors of Austria and Germany were called Kaisers. (See Wilhelm II.)

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.