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a prefix applied to various parts of speech, meaning “ill,” “mistaken,” “wrong,” “wrongly,” “incorrectly,” or simply negating: mistrial; misprint; mistrust.

Middle English; Old English mis(se)-; cognate with German miss-, Gothic missa- (see miss1;); often replacing Middle English mes- < Old French < West Germanic *mis(s)-


variant of miso- before some vowels: misanthrope.


noun Music.
the syllable used for the third tone of a diatonic scale.
(in the fixed system of solmization) the tone E. Compare sol-fa ( def 1 ).

1520–30; see gamut

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
mi or me (miː)
music (in tonic sol-fa) the third degree of any major scale; mediant
[C16: see gamut]
me or me
[C16: see gamut]

abbreviation for
1.  Michigan
2.  Military Intelligence

1.  wrong, bad, or erroneous; wrongly, badly, or erroneously: misunderstanding; misfortune; misspelling; mistreat; mislead
2.  lack of; not: mistrust
[Old English mis(se)-; related to Middle English mes-, from Old French mes-; compare Old High German missa-, Old Norse mis-]

a variant of miso-

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

prefix meaning "bad, wrong," from O.E. mis-, from P.Gmc. *missa- "divergent, astray" (cf. O.Fris. mis-, M.Du. misse-, O.H.G. missa-, Ger. miß-, O.N. mis-, Goth. missa-), perhaps with a root sense of "difference, change" (cf. Goth. misso "mutually"), and thus from PIE *mit-to-, from base *mei-
"to change" (see mutable). Others see in P.Gmc. *missa- the stem of an ancient pp., related to O.E. missan "fail to hit" (see miss (v.)), which is from the same PIE base. Used both with sense of "incorrect" (mistake) and "bad" (mishap); in 14c.-16c. in a few verbs it began to be felt as "unfavorably" and was used as an intensive prefix with verbs already expressing negative feeling (e.g. misdoubt). Practically a separate word in O.E. and early M.E. (and often written as such). O.E. had an adj. (mislic "diverse, unlike, various") and an adv. (mislice "in various directions, wrongly, astray") derived from it, corresponding to Ger. misslich (adj.).

in a handful of words (mischief, miscreant, etc.) represents O.Fr. mes- "bad(ly), wrong(ly)," from V.L. minus-, from L. minus "less," which was not used as a prefix. Perhaps infl. on O.Fr. by the Frank. equivalent of mis- (1).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

MI abbr.
myocardial infarction

mis- 1
Bad; badly; wrong; wrongly: misdiagnosis.

mis- 2
Variant of miso-.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
Abbreviation of mile
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Computing Dictionary

MIS definition

Management Information System

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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American Heritage
Abbreviations & Acronyms
  1. mentally impaired

  2. Michigan

  3. military intelligence

  4. mitral insufficiency

  5. mode indicator

  6. multiple intelligences

  7. myocardial infarction

  1. management information services

  2. management information system

  3. manager of information services

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
We all do get too wrapped up in mis-interpreted and mis-collected statistics,
  don't we.
The need for self-control is only there when our needs and wants, guided or
  mis-guided, create the temptation for us.
One should never trust a mis-worded compliment from a source that should know
  how to use language correctly.
Webmaster, please forgive my duplication mis-statement.
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