unprofessional

from 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}]
    
from The Collaborative International Dictionary of English v.0.48
Unprofessional \Unprofessional\
   See {professional}.
    
from 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

    

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