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unofficial

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of⋅fi⋅cial

[uh-fish-uhl]
–noun
1. a person appointed or elected to an office or charged with certain duties.
–adjective
2. of or pertaining to an office or position of duty, trust, or authority: official powers.
3. authorized or issued authoritatively: an official report.
4. holding office.
5. appointed or authorized to act in a designated capacity: an official representative.
6. (of an activity or event) intended for the notice of the public and performed or held on behalf of officials or of an organization; formal: the official opening of a store.
7. Pharmacology. noting drugs or drug preparations that are recognized by and that conform to the standards of the United States Pharmacopeia or the National Formulary.

Origin:
1300–50; ME < LL officiālis of duty, equiv. to L offici(um) office + -ālis -al 1


of⋅fi⋅cial⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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un·of·fi·cial   (ŭn'ə-fĭsh'əl)   
adj.  
  1. Not official: the unofficial election results.

  2. Not acting officially: an unofficial adviser.

un'of·fi'cial·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

official  (n.)
1314, from O.Fr. official (12c.), from L. officialis "attendant to a magistrate, public official," noun use of officialis (adj.) "of or belonging to duty, service, or office," from officium (see office). Meaning "person in charge of some public work or duty" first recorded 1555. The adj. is first attested 1533, from O.Fr. oficial, from L. officialis. Officialese "language of officialdom" first recorded 1884.

unofficial 
1798, from un- (1) "not" + official.
Online Etymology Dictionary, © 2001 Douglas Harper
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Legal Dictionary

Main Entry: official
Function: adjective
1 : of, relating to, or holding an office, position, or trust <official duties>
2 : fully authorized official policy of the bank> —of·fi·cial·ly adverb
Merriam-Webster's Dictionary of Law, © 1996 Merriam-Webster, Inc.
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Medical Dictionary

Main Entry: of·fi·cial
Pronunciation: &-'fish-&l
Function: adjective
: prescribed or recognized as authorized; specifically : described by the U.S. Pharmacopeia or the National Formulary —compare NONOFFICIAL, UNOFFICIALof·fi·cial·ly /-'fish-(&-)lE/ adverb

Main Entry: un·of·fi·cial
Pronunciation: "&n-&-'fish-&l
Function: adjective
: not official; specifically : of, relating to, or being a drug not described in the U.S. Pharmacopeia and National Formulary —compare NONOFFICIAL, OFFICIAL
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

official of·fi·cial (ə-fĭsh'əl)
adj.
Authorized by or contained in the U.S. Pharmacopoeia or National Formulary. Used of drugs.

unofficial un·of·fi·cial (ŭn'ə-fĭsh'əl)
adj.
Of or being a drug that is not listed in the United States Pharmacopeia or the National Formulary.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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