unprofessional
word
Definition
Behaving or acting in a way that is not appropriate for a job or profession; lacking the skills, manners, or seriousness expected in a workplace.
Usage & Nuances
'Unprofessional' is used in formal and informal settings, mainly to criticize behavior or work quality at jobs. Common collocations: 'unprofessional conduct', 'unprofessional behavior', 'unprofessional attitude'. Avoid using it for minor mistakes—it’s stronger than 'careless'.
Example Sentences
It was unprofessional to shout at the customer.
basic
Wearing jeans to an interview is considered unprofessional.
basic
His email was very unprofessional.
basic
I was surprised by how unprofessional the meeting was run.
natural
Posting about work problems on social media seems pretty unprofessional.
natural
If the staff are late every day, it's definitely unprofessional.
natural