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disloyal

[dis-loi-uh l] /dɪsˈlɔɪ əl/
adjective
1.
false to one's obligations or allegiances; not loyal; faithless; treacherous.
Origin of disloyal
1470-1480
1470-80; < Middle French desloial, Old French desleal, equivalent to des- dis-1 + leal loyal
Related forms
disloyalist, noun
disloyally, adverb
Synonyms
unfaithful, perfidious, traitorous, treasonable.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for disloyal
Contemporary Examples
Historical Examples
  • Mississippi was disloyal, and didn't deserve to have any representative.

  • You will perceive that I am disloyal to a member of my Council so that I may be loyal to my country.

    The Snare Rafael Sabatini
  • This was considered a sort of disloyal falling away from the ruling feeling.

    Chance Joseph Conrad
  • It would have been disloyal, an admission that all was over, the beginning of the end.

    Romance Joseph Conrad and F.M. Hueffer
  • "I demand an explanation of your disloyal conduct," said Angela proudly.

British Dictionary definitions for disloyal

disloyal

/dɪsˈlɔɪəl/
adjective
1.
not loyal or faithful; deserting one's allegiance or duty
Derived Forms
disloyally, 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 disloyal
adj.

early 15c. (implied in disloyally), from Old French desloial, desleal (Modern French déloyal) "treacherous, false, deceitful," from des- (see dis-) + loial (see loyal).

Online Etymology Dictionary, © 2010 Douglas Harper
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