Wordnet 3.0
ADJECTIVE (1)
1.
not characteristic of or befitting a profession or one engaged in a profession;
- Example: "described in unprofessional language so that high school students could understand it"- Example: "was censured for unprofessional conduct"- Example: "unprofessional repairs"
The Collaborative International Dictionary of English v.0.48:
Unprofessional \Unprofessional\
See professional.
WordNet (r) 3.0 (2006):
unprofessional
adj 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" [ant: professional]