0 (of a person’s conduct) not according to the (usually moral) standards required in his profession -- neprofesionální
1 (of a piece of work etc) not done with the skill of a trained person -- neodborný
They say that this was "in all its manifestations intrinsically unethical, unprofessional and unacceptable".
He said that they had adopted unprofessional and unethical tactics.
If a captain does anything unprofessional, whether in obedience to a control of movement order or against it is beside the point.
I voted 'for'; however, the report is raw and unprofessional.
Without the protection of that section, the public have remained prey to the inexperienced, unqualified and unprofessional people who call themselves estate agents.
I say "regrettable" because the teachers who strike are, in my opinion, unprofessional.
I cannot recall any local government reorganisation which has been approached in such an unprofessional way.
I have constantly said that it is wrong and unprofessional to disrupt the education of children.