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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.

Those of us who practice writing as a professional craft have an ethical duty, and sometimes a contractual obligation, to ensure that our work is original.

From The Wall Street Journal • Apr. 3, 2026

Life for Wilkinson today is firmly focused on elevating her professional career and protecting her personal life at home with her children.

From MarketWatch • Apr. 3, 2026

By featuring against Real Madrid, Semenyo became just the fourth player to compete in non-league, all four professional divisions in England and Europe's elite competition.

From BBC • Apr. 2, 2026

The volume of fakes has largely outpaced the verification capacity of professional fact-checkers.

From Barron's • Apr. 2, 2026

She sat, the picture of a professional, but there was a tightness around her eyes that let me know she was a little worried.

From "Glitch" by Laura Martin

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