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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 OpenAI chief recently told The Atlantic CEO Nicholas Thompson that “I no longer believe in universal basic income as much as I once did.”

From The Wall Street Journal • May 7, 2026

"The majority of settings are doing an incredible job", the charity's CEO, Jenny Ward, says.

From BBC • May 6, 2026

She said the mayor is supposed to be the city’s CEO and plan for potential disasters.

From Los Angeles Times • May 6, 2026

Co-founder and CEO Adam Foroughi and Chief Financial Officer Matthew Stumpf will discuss financial results at a webinar at 5 p.m.

From Barron's • May 6, 2026

Just before the sale closed, he was approached by a headhunter to become the CEO of a new company called Mosaic Communications, forged by two now-legendary innovators—Jim Clark and Marc Andreessen.

From "The World Is Flat" by Thomas L. Friedman