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

• baron
• captain
• king
• lion
• lord
• magnate
• mogul
• monarch
• Napoleon
• prince
• tycoon

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

Their naming of a fentanyl czar in Canada is important. —CBS News, 9 Mar. 2025

From the White House, count on seeing the venture capitalist and Trump crypto czar David Sacks, digital assets task force leader Bo Hines and acting chairman of the SEC Mark Uyeda. —Allison Morrow, CNN, 7 Mar. 2025

Crypto czar says public has 'lost out on over $17 billion' in bitcoin valueWhite House Crypto czar David Sacks argued taxpayers have lost out on billions because earlier administrations never took advantage of bitcoin in the government's possession. —Selina Wang, ABC News, 7 Mar. 2025

White House crypto and AI czar David Sacks wrote in a post on X that the reserve will be funded exclusively with bitcoin seized in criminal and civil forfeiture cases. —Yeo Boon Ping, CNBC, 7 Mar. 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