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

For White House Border czar Tom Homan and Secretary Mullin, keeping Venturella's arrival low-key may be a deliberate attempt to avoid drawing fresh congressional fire to an agency already under siege. —Philip Wang, Time, 18 May 2026

Real quick Canada's fentanyl czar warns more lethal synthetic opioids are on the way. —Phaedra Trethan, USA Today, 14 May 2026

Last year, Democrats on the House Judiciary Committee wrote to White House border czar Tom Homan, raising concern that Venturella's return to ICE to oversee contracts that would go to companies like Geo Group, his previous employer, presented a conflict of interest. —Ximena Bustillo, NPR, 12 May 2026

Venturella Is a close ally of border czar Tom Homan, and previously worked at a private prison group. —Luke Barr, ABC News, 12 May 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