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unprofessional

[uhn-pruh-fesh-uh-nl] /ˌʌn prəˈfɛʃ ə nl/
adjective
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.
Sports. nonprofessional (def 2).
noun
6.
a person who is not a professional; amateur.
Origin of unprofessional
1800-1810
1800-10; un-1 + professional
Related forms
unprofessionalism, noun
unprofessionally, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for unprofessional

unprofessional

/ˌʌnprəˈfɛʃənəl/
adjective
1.
contrary to the accepted code of conduct of a profession
2.
amateur
3.
not belonging to or having the required qualifications for a profession
Derived Forms
unprofessionally, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for unprofessional
adj.

1806, from un- (1) "not" + professional.

Online Etymology Dictionary, © 2010 Douglas Harper
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Word Value for unprofessional

19
24
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