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

• magnate
• tycoon
• king
• prince
• captain
• baron
• mogul

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 president campaigned fervently last year on the promise of mass deportations and appointed Tom Homan as his border czar to execute his agenda. —Anna Commander, MSNBC Newsweek, 26 June 2025

Border czar Tom Homan has voiced similar concerns, saying Sunday that 1,272 Iranian nationals were released into the U.S. during the Biden administration. —Asher Notheis, The Washington Examiner, 25 June 2025

Mamdani shouted at White House immigration czar Tom Homan when Homan came to the state Capitol in Albany, and Lander recently made national news by getting arrested escorting an immigrant out of a deportation hearing. —Ben Adler, USA Today, 24 June 2025

The Washington Post then reported Monday that the Department of Homeland Security (DHS) told its staff to resume raids, a move border czar Tom Homan confirmed yesterday. —Miriam Waldvogel, The Hill, 21 June 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