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

Over the weekend, talks with the White House, including with border czar Tom Homan, appeared to be making progress toward a deal, including on several items Democrats had been demanding, such as the IDs and limits on raids at sensitive places. —Lisa Mascaro, Chicago Tribune, 26 Mar. 2026

The judge issued her initial order on the same day that border czar Tom Homan officially declared Operation Metro Surge over. —ABC News, 26 Mar. 2026

The council, which can include up to 24 members, will be co-chaired by White House AI and crypto czar David Sacks and senior technology adviser Michael Kratsios. —Sharon Goldman, Fortune, 25 Mar. 2026

The agents aren't performing security screenings, according to White House border czar Tom Homan. —John Wayne Ferguson, Houston Chronicle, 25 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