czar

noun

ˈzär  ˈ(t)sär 

variants or less commonly tsar or tzar

1

: emperor

specifically : the ruler of Russia until the 1917 revolution

2

: one having great power or authority

a banking czar

czardom

ˈzär-dəm  ˈ(t)sär- 

noun

or less commonly tsardom or tzardom

Synonyms of czar

• magnate
• tycoon
• king

Examples of czar in a Sentence

a showbiz czar who is said to be able to make or break a career

Recent Examples on the Web

Bloomberg’s Mark Gurman says CEO John Ternus is pressuring AI czar Craig Federighi to accelerate the Siri roadmap and deliver a powerful AI agent that can compete with OpenAI’s Dots or Meta’s Muse. — Terrence O'Brien, The Verge, 8 Nov. 2026

Philly's appointment of its own rat czar follows New York's footsteps. — Joe Brandt, CBS News, 28 Oct. 2026

Continue reading … EQUAL JUSTICE — Border czar addresses whether Ilhan Omar could be deported amid federal investigation. — FOXNews.com, 19 Oct. 2026

White House border czar Tom Homan confirmed the investigation in an interview with Fox News on Monday, but offered few details. — ABC News, 12 Oct. 2026

Word History

Etymology

New Latin czar, from Russian tsar', from Old Russian tsĭsarĭ, from Goth kaisar, from Greek or Latin; Greek, from Latin Caesar — more at caesar

First Known Use

1555, in the meaning defined at sense 1

Rhymes for czar

• ar
• are
• bar
• barr
• car
• carr
• char
• charr
• far
• farre
• haar
• har

Kids Definition

czar

noun

variants also tsar or tzar

ˈzär

1

: the ruler of Russia until the 1917 revolution

2

: one having great power or authority

a baseball czar

czardom noun

also tsardom or tzardom

ˈzärd-əm

Etymology

Latin czar "czar," from Russian tsar' (same meaning), from early Russian tsǐsarǐ, tsěsarǐ "emperor," from a Germanic word kaisar "emperor," derived from Latin Caesar (title of a line of Roman emperors after Augustus Caesar) see Word History at emperor