Meaning of unprofessional

un•pro•fes•sion•al

Pronunciation: (un"pru-fesh'u-nl), [key]
— adj.
  1. not professional; not pertaining to or characteristic of a profession.
  2. at variance with or contrary to professional standards or ethics; not befitting members of a profession, as language, behavior, or conduct.
  3. not belonging to a profession; nonprofessional.
  4. not done with professional competence, as a play staged or an opera performed by amateurs; amateurish.
  5. nonprofessional (def. 2).
—n.
  1. a person who is not a professional; amateur.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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