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Definitions

CEO

NOUN
administrator
Synonyms
STRONGEST
authority bureaucrat chief commander controller custodian dean director executive head inspector judge leader manager minister officer official organizer superintendent supervisor
STRONG
President ambassador boss captain chair chairperson consul exec governor mayor overseer premier producer
WEAK
front office head honcho head person person upstairs prez
Antonyms
STRONGEST
employee follower worker
NOUN
authority
Synonyms
STRONGEST
expert judge law
STRONG
Bible arbiter aristocrat boss brains brass buff connoisseur czar egghead establishment exec executive feds governor guru kingfish kingpin pro professional professor pundit scholar specialist textbook upstairs veteran virtuoso whiz wizard
WEAK
big cheese big shot big wig city hall front office ivory dome power elite top brass top dog top hand
Antonyms
STRONG
amateur greenhorn ignoramus proletariat rookie student
NOUN
captain
Synonyms
STRONGEST
boss commander director executive leader officer operator owner pilot skipper
STRONG
CFO authority cap chieftain exec guide head skip top
WEAK
four-striper head honcho higher up number one top dog
Antonyms
STRONGEST
follower
NOUN
employer
Synonyms
STRONGEST
boss company corporation entrepreneur executive firm management manager manufacturer organization owner
STRONG
President businessperson capitalist chief co director establishment head juice kingpin outfit overseer patron proprietor superintendent supervisor
WEAK
big shot front office head honcho meal ticket workers big cheese
Antonyms
STRONGEST
employee
STRONG
worker
NOUN
executive
Synonyms
STRONGEST
administration administrator boss chief commander director entrepreneur government leader management manager officer official supervisor
STRONG
VIP brass businessperson co directorate exec governor head heavyweight hierarchy higher-up industrialist leadership skipper tycoon
WEAK
big wheel head honcho head person key player top brass
Antonyms
STRONGEST
employee follower worker
NOUN
higher-up
Synonyms
STRONG
VIP better boss brass chief chieftain director elder exec executive head heavyweight leader manager principal ruler senior supervisor
WEAK
head honcho key player
Antonyms
STRONG
employee follower junior worker
NOUN
official
Synonyms
STRONGEST
administrator agent bureaucrat civil servant commissioner director executive leader manager minister officer representative secretary
STRONG
President boss brains brass chancellor comptroller dignitary exec functionary governor higher-up incumbent magistrate marshal mayor officeholder panjandrum premier top treasurer
WEAK
big shot front office head person top brass top dog
Antonyms
STRONGEST
employee
NOUN
president
Synonyms
STRONG
boss leader premier
WEAK
chief executive officer chief of state commander in chief head of state person in charge prime minister
NOUN
superior
Synonyms
STRONGEST
boss manager principal ruler supervisor
STRONG
VIP brass chief chieftain director elder exec executive head heavyweight higher-up leader senior
WEAK
head honcho key player
Antonyms
STRONGEST
employee worker
STRONG
follower junior
WEAK
inferior servant

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The app’s team includes Adam DeWitt and Eric Ferguson, who previously served as CEO and chief operating officer of Grubhub, respectively, and a handful of other veterans from the food-delivery company.

From The Wall Street Journal • Apr. 3, 2026

SoFi Technologies CEO Anthony Noto purchased company stock for the first time in more than a year.

From Barron's • Apr. 3, 2026

“What we see in middle- and low-income consumers is actually a different story,” McDonald’s CEO Chris Kempczinski told CNBC.

From MarketWatch • Apr. 3, 2026

The company is so indifferent to its own archives that even the CEO didn’t know they existed.

From The Wall Street Journal • Apr. 3, 2026

One of the recipients of the award was Gerald Levin, CEO of Time Warner, and we were honored to win an award with a powerful millionaire like Mr. Levin.

From "The Freedom Writers Diary" by The Freedom Writers

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.