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

Noem, who appeared with border czar Tom Homan at a lower Manhattan press conference after visiting the officer at Harlem Hospital, said the Saturday night shooting should have never happened. —Rocco Parascandola, New York Daily News, 21 July 2025

Border czar Tom Homan slammed Rep. Jerry Nadler (D) on Saturday over a comment the New York congressman made about assaults on Immigration and Customs Enforcement (ICE) agents. —Miriam Waldvogel, The Hill, 19 July 2025

Apple named a new operational czar after longtime chief operating officer Jeff Wiliams announced his impending retirement Tuesday. —Lily Mae Lazarus, Fortune, 9 July 2025

In March, Mamdani called his communications director, saying that Trump border czar Tom Homan was visiting New York’s capitol in Albany that day. —Max Tani, semafor.com, 30 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