Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “unprofessional”

unprofessional

adjective
 
 
/ˌʌnprəˈfeʃənəl/
behaving badly at work: an unprofessional attitudeJobs, careers and professionsWorkingBad and wrong behaviourDisobedientObeying and breaking the lawObedient and compliant
(Definition of unprofessional from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “unprofessional” in other dictionaries

Word of the Day

roost

When birds roost, they go somewhere to rest or sleep.

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More