unprofessional

Definitions of unprofessional
1

adj 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”
Synonyms:
amateur, amateurish, inexpert, unskilled
lacking professional skill or expertise
Antonyms:
professional
characteristic of or befitting a profession or one engaged in a profession

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