unprofessional

(adjective)

adjective

1. not characteristic of or befitting a profession or one engaged in a profession

- described in unprofessional language so that high school students could understand it

- was censured for unprofessional conduct

- unprofessional repairs

Similar word(s): amateur, amateurish, inexpert, unskilled

Sentences with unprofessional as an adjective:

- unprofessional behavior