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Definitions

professional

[pruh-fesh-uh-nl] / prəˈfɛʃ ə nl /
ADJECTIVE
skilled, trained
Synonyms
STRONGEST
competent efficient experienced licensed qualified skillful
STRONG
ace adept crackerjack expert sharp slick there
WEAK
able acknowledged big-league finished knowing one's stuff known learned on the ball polished practiced proficient up to speed well-qualified
Antonyms
STRONGEST
green ignorant incapable incompetent inefficient inexperienced unable unskilled untalented
STRONG
clumsy inept stupid unintelligent
WEAK
amateur rookie unprofessional untrained
NOUN
person prepared for work by extended study or practice
Synonyms
STRONGEST
artist expert pro specialist
STRONG
adept artiste authority brain egghead hotshot powerhouse pundit shark star superstar virtuoso whiz wizard
WEAK
old hand old pro old war-horse phenom proficient whiz kid
Antonyms
STRONG
amateur rookie
WEAK
apprentice greenhorn

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.

A professional — an accountant, banker or lawyer — will likely charge a fee.

From MarketWatch • Apr. 18, 2026

But she was the only medical professional willing to speculate with me.

From Slate • Apr. 18, 2026

She returned to international rugby in 2024 after becoming the first contracted England woman to have a baby since the Red Roses went professional in 2019.

From BBC • Apr. 17, 2026

Counterintuitively, Zander and Petersson believe that prioritizing professional relationships has allowed the band to avoid the destructive infighting that often plagues bands made up of best friends.

From Los Angeles Times • Apr. 17, 2026

Then she revved the engine like a professional race driver and stared me down.

From "Summer of the Mariposas" by Guadalupe García McCall

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