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Synonyms

Caesar

American  
[see-zer] / ˈsi zər /

noun

  1. Gaius (or Caius) Julius, c100–44 b.c., Roman general, statesman, and historian.

  2. Sidney, Sid, 1922–2014, U.S. comedian.

  3. a title of the Roman emperors from Augustus to Hadrian, and later of the heirs presumptive.

  4. any emperor.

  5. a tyrant or dictator.

  6. any temporal ruler, in contrast with God; the civil authority.

  7. a male given name: from a Roman family name.

Caesar British  
/ ˈsiːzə /

noun

  1. Gaius Julius (ˈɡaɪəs ˈdʒuːlɪəs). 100–44 bc , Roman general, statesman, and historian. He formed the first triumvirate with Pompey and Crassus (60), conquered Gaul (58–50), invaded Britain (55–54), mastered Italy (49), and defeated Pompey (46). As dictator of the Roman Empire (49–44) he destroyed the power of the corrupt Roman nobility. He also introduced the Julian calendar and planned further reforms, but fear of his sovereign power led to his assassination (44) by conspirators led by Marcus Brutus and Cassius Longinus

  2. any Roman emperor

  3. (sometimes not capital) any emperor, autocrat, dictator, or other powerful ruler

  4. a title of the Roman emperors from Augustus to Hadrian

    1. a title borne by the imperial heir from the reign of Hadrian

    2. the heir, deputy, and subordinate ruler to either of the two emperors under Diocletian's system of government

  6. short for Caesar salad

"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
Caesar Cultural  

  1. The family name of Julius Caesar and of the next eleven rulers of Rome, who were emperors.

Discover More

The emperors of Germany and Russia in modern times adapted the word caesar into titles for themselves — kaiser and czar.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Caesar, Hegel writes, was driven by “an unconscious impulse that occasioned the accomplishment of that for which the time was ripe.”

From Salon • Mar. 28, 2026

Carrie Canham from Ceredigion Museum in Aberystwyth said the artefacts were the first of their kind to be found in west Wales and "highlight Ceredigion's significance in Emperor Domitian Caesar Augustus's empire building".

From BBC • Feb. 25, 2026

Barron’s taste-testers found Sweetgreen’s Classic Chicken Caesar wrap a solid lunch option.

From Barron's • Feb. 24, 2026

I ended up ordering a Caesar salad for $14.

From The Wall Street Journal • Feb. 6, 2026

Caesar and Cora listened to the insects as the enormity of their plan moved over them.

From "The Underground Railroad: A Novel" by Colson Whitehead

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.