[1] : The Collaborative International Dictionary of English v.0.48

unprofessional \unprofessional\
   see professional.
see also:
professional 

[2] : WordNet (r) 2.0

unprofessional
     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" ant: professional
see also:
professional 

[3] : Moby Thesaurus II by Grady Ward, 1.0

46 moby thesaurus words for "unprofessional":
   amateur, amateurish, everyday, improper, incompetent, inefficient,
   inexperienced, inexpert, inferior, lax, lay, low-quality,
   negligent, ordinary, plain english, poor, second-rate, semiskilled,
   shoddy, sloppy, unaccomplished, unbecoming, unbefitting,
   unbusinesslike, uncoached, understandable, undignified, unendowed,
   unethical, unfinished, unfitting, ungifted, uninitiated,
   unpolished, unprepared, unprimed, unprincipled, unscholarly,
   unschooled, unseemly, unskilled, untalented, untaught, untrained,
   untutored, unworthy

Unprofessional >> U Words
Unprofessional, definition of term: Unprofessional
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