from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of, relating to, engaged in, or suitable for a profession: lawyers, doctors, and other professional people.
  • adj. Conforming to the standards of a profession: professional behavior.
  • adj. Engaging in a given activity as a source of livelihood or as a career: a professional writer.
  • adj. Performed by persons receiving pay: professional football.
  • adj. Having or showing great skill; expert: a professional repair job.
  • n. A person following a profession, especially a learned profession.
  • n. One who earns a living in a given or implied occupation: hired a professional to decorate the house.
  • n. A skilled practitioner; an expert.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A person who belongs to a profession
  • n. A person who earns his living from a specified activity
  • n. An expert.
  • adj. Of, pertaining to, or in accordance with the (usually high) standards of a profession.
  • adj. That is carried out for money, especially as a livelihood.
  • adj. Expert.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of or pertaining to a profession, or calling; conforming to the rules or standards of a profession; following a profession
  • adj. Engaged in by professionals; ; -- opposed to amateur.
  • n. A person who prosecutes anything professionally, or for a livelihood, and not in the character of an amateur; a professional worker.

from The Century Dictionary and Cyclopedia

  • Pertaining or appropriate to a profession or calling: as, professional studies; professional skill.
  • Engaged in a profession; being such by profession.
  • Undertaken or engaged in for money or as a means of subsistence: opposed to amateur: said of sports and amusements: as, a professional base-ball match; a professional performance of a play.
  • n. One who regularly pursues any profession or art.
  • n. Specifically, a person who makes his living by an art, game, or sport in which amateurs are accustomed to engage for amusement or recreation.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an authority qualified to teach apprentices
  • adj. of or relating to or suitable as a profession
  • n. an athlete who plays for pay
  • adj. of or relating to a profession
  • adj. engaged in a profession or engaging in as a profession or means of livelihood
  • adj. characteristic of or befitting a profession or one engaged in a profession
  • adj. engaged in by members of a profession
  • n. a person engaged in one of the learned professions


Sorry, no etymologies found.


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  • Today, it is so easy to respond to every notice by email that there are what I call professional posters.

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  • A professional man: someone who knows well his job.

    A professional woman: a trollop.

    (see my list)

    June 13, 2008