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

Conservative media personality Megyn Kelly and podcaster Katie Miller, who is married to Trump immigration policy czar Stephen Miller, are among those on the right to label Phillip as biased. —Jay Stahl, USA Today, 18 Apr. 2026

David Sacks, who recently ended his role as the White House’s AI and cryptocurrency czar, posted numerous times over the weekend about his hesitations. —Miranda Nazzaro, The Hill, 14 Apr. 2026

His comments evidently irked the White House border czar, Tom Homan, who is Catholic. —Francis X. Rocca, The Atlantic, 10 Apr. 2026

Border czar Tom Homan says Immigration and Customs Enforcement agents may stay at airport security checkpoints even after the partial government shutdown ends. —Dave Goldiner, New York Daily News, 30 Mar. 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