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

Among the latter camp is White House AI and crypto czar David Sacks, who has already criticized the AI Overwatch Act. —Dylan Butts, CNBC, 22 Jan. 2026

Every other general manager, team czar, head coach relationship had been forced from that point on, and Ross finally smartened up and ignited a rebuild that began with a head coach and general manager beginning the process together, in unison. —Omar Kelly, Miami Herald, 22 Jan. 2026

Trump has formed close alliances with conservative tech figures, including Tesla CEO Elon Musk and investor David Sacks, who serves as the White House AI and crypto czar. —Joseph Menn The Washington Post, Arkansas Online, 21 Jan. 2026

The vote comes as the measure has recently faced a flurry of opposition online from conservative influencers, including far-right activist Laura Loomer, as well as White House AI and crypto czar David Sacks. —Julia Shapero, The Hill, 21 Jan. 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