Used mainly as an uncountable noun, occasionally countable in reference to specific acts.
Traductions
His blatant unprofessionalism cost him the promotion.
Его вопиющий непрофессионализм стоил ему повышения.
Traductions supplémentaires
дилетантизмнесколько разговорное, подчёркивает любительский уровень Définitions
The state or quality of being unprofessional; lack of professionalism. His blatant unprofessionalism cost him the promotion.
An unprofessional act, remark, or instance of conduct. The outburst was an unprofessionalism that embarrassed the entire team.