If you use unprofessional to describe someone's behaviour at work, you are criticizing them for not behaving according to the standards that are expected of a person in their profession.
[disapproval]
What she did was very unprofessional. She left abruptly about 90 minutes into theshow.
He was also fined $150 for unprofessional conduct.
Synonyms: unethical, unfitting, improper, lax More Synonyms of unprofessional
More Synonyms of unprofessional
unprofessional in British English
(ˌʌnprəˈfɛʃənəl)
adjective
1.
contrary to the accepted code of conduct of a profession
2.
amateur
3.
not belonging to or having the required qualifications for a profession
Derived forms
unprofessionally (ˌunproˈfessionally)
adverb
unprofessional in American English
(ˌʌnproʊˈfɛʃənəl)
adjective
1.
violating the rules or ethical code of a given profession
2.
not of, characteristic of, belonging to, or connected with a profession; nonprofessional
Derived forms
unprofessionally (ˌunproˈfessionally)
adverb
Examples of 'unprofessional' in a sentence
unprofessional
And Matt would simply apologise and say he thought I knew, and in such a way that I'd look unprofessional for not having known.
Anita Anderson SUMMER OF SECRETS (2003)
This kind of thing seems unprofessional to people in the States and Europe.
Brierley, David SNOWLINE (2003)
If it would be unprofessional of you to say it outright, perhaps you could nod.
Anita Anderson SUMMER OF SECRETS (2003)
Once in a while you see sadness, but people try to hide that; it's either unprofessional or unfair to show it.
Carroll, Jonathan FROM THE TEETH OF ANGELS (2003)
In other languages
unprofessional
British English: unprofessional ADJECTIVE
If you use unprofessional to describe someone's behaviour at work, you are criticizing them for not behaving according to the standards that are expected of a person in their profession.