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 noun

or less commonly tsardom or tzardom

ˈzär-dəm 

ˈ(t)sär-

Synonyms

• baron
• captain
• king
• lion
• lord
• magnate
• mogul
• monarch
• Napoleon
• prince
• tycoon

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

The bitcoin price has smashed $100,000 per bitcoin for the first time since February, with traders surprised by U.S. president Donald Trump’s crypto czar David Sacks issuing a rare bitcoin price prediction. —Billy Bambrough, Forbes.com, 10 May 2025

Warren also sent a letter to the OGE questioning a White House waiver granted to David Sacks, the White House AI and crypto czar. —Mackenzie Sigalos, CNBC, 7 May 2025

Border czar Tom Homan voiced support for former President Donald Trump's proposal to reopen Alcatraz Island as a detention facility, calling it a potential solution to the nation's ongoing immigration challenges. —Dan Gooding gabe Whisnant, MSNBC Newsweek, 5 May 2025

On Monday, border czar Tom Homan joined White House press secretary Karoline Leavitt to brief reporters on what the Trump administration has achieved to ramp up border security. —Asher Notheis, The Washington Examiner, 28 Apr. 2025

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