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Showing results for unprofessional. Search instead for Un-professional.
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.

Gould said there were "some instances" that the ECB regarded as "significantly unprofessional".

From BBC • Mar. 23, 2026

Foreign policy analysts would normally consider distraction to be a lazy and unprofessional explanation for major actions like wars, if not a symptom of paranoid conspiracy thinking.

From Salon • Mar. 14, 2026

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

From MarketWatch • Feb. 28, 2026

That was an extraordinary way to say: You are so unprofessional and inexperienced that I’m not even going to discipline you because you never had any business in this position in the first place.

From Slate • Jan. 23, 2026

The orchestra claimed that she was unreliable and unprofessional.

From "Blink" by Malcolm Gladwell