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Professional vs Undefined - What's the difference?

professional | undefined |

As adjectives the difference between professional and undefined

is that professional is of, pertaining to, or in accordance with the (usually high) standards of a profession while undefined is lacking a definition or value.

As a noun professional

is a person who belongs to a profession.

professional

English

Noun

(wikipedia professional) (en noun)
  • A person who belongs to a profession
  • A person who earns his living from a specified activity
  • An expert.
  • * 1934 , edition, ISBN 0553278193, page 97:
  • I have learned that there is a person attached to a golf club called a professional'. Find out who fills that post at the Green Meadow Club; invite the ' professional , urgently, to dine with us this evening.

    Adjective

    (en adjective)
  • Of, pertaining to, or in accordance with the (usually high) standards of a profession.
  • *
  • *:His forefathers had been, as a rule, professional men—physicians and lawyers; his grandfather died under the walls of Chapultepec Castle while twisting a tourniquet for a cursing dragoon; an uncle remained indefinitely at Malvern Hill;.
  • That is carried out for money, especially as a livelihood.
  • (lb) Expert.
  • Derived terms

    * non-professional, nonprofessional * professionalism * unprofessional

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
  • The result of division by zero is undefined .

    Antonyms

    * defined