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Showing results for unprofessional.
Definitions

unprofessional

[uhn-pruh-fesh-uh-nl] / ˌʌn prəˈfɛʃ ə nl /
ADJECTIVE
not done well or skillfully
Synonyms
STRONGEST
ignorant improper incompetent inefficient lax negligent unethical
WEAK
amateur amateurish inadequate inexperienced inexpert nonexpert unfitting unsuitable untrained unworthy
Antonyms
STRONGEST
able capable competent efficient expert good moral right
WEAK
experienced professional skilled

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.

Lakers star Luka Doncic was fined $50,000 on Tuesday for directing an “inappropriate and unprofessional gesture toward a game official” during the Lakers’ win over the New York Knicks on Sunday, the NBA announced.

From Los Angeles Times • Mar. 10, 2026

"We find it unprofessional and we find it unfair. We are looking forward to this being conducted under the rules and being conducted consistent with expectations."

From BBC • Mar. 2, 2026

“Allow your boss to be the unprofessional one,” she says.

From MarketWatch • Feb. 28, 2026

Still, nothing was as odd as Bondi’s performance, which was unprofessional and combative.

From Salon • Feb. 13, 2026

I didn’t know what to make of his gesture save its unorthodoxy, its colloquial and unprofessional tone.

From "Native Speaker" by Chang-rae Lee