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[uhn-skroo-pyuh-luh s] /ʌnˈskru pyə ləs/
not scrupulous; unrestrained by scruples; conscienceless; unprincipled.
Origin of unscrupulous
1795-1805; un-1 + scrupulous
Related forms
unscrupulously, adverb
unscrupulousness, unscrupulosity
[uhn-skroo-pyuh-los-i-tee] /ʌnˌskru pyəˈlɒs ɪ ti/ (Show IPA),
Unscrupulous, unprincipled refer to lack of moral standards or conscience to guide one's conduct. The unscrupulous person is without scruples of conscience, and disregards, or has contempt for, laws of right or justice with which he or she is perfectly well acquainted, and which should restrain his or her actions: unscrupulous in methods of making money, in taking advantage of the unfortunate. The unprincipled person is without moral principles or ethical standards in his or her conduct or actions: an unprincipled rogue; unprincipled conduct. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for unscrupulousness
Historical Examples
  • Cunning, forethought, and unscrupulousness were the principal things, and these he had to perfection.

  • He had achieved this position by unscrupulousness and low cunning.

    If Winter Don't Barry Pain
  • Another illustration of the monk's greed and unscrupulousness was the Violle affair.

    The Minister of Evil William Le Queux
  • Yet you permit him to continue—you with your unscrupulousness and your secret agents.

    The Traitors E. Phillips (Edward Phillips) Oppenheim
  • Those are the supermen, a natural aristocracy of force and unscrupulousness and vigour.

    Joyous Gard Arthur Christopher Benson
  • Literally: Whatever violence and unscrupulousness attack, comes.

  • Leo seized upon this system with all the vigor and unscrupulousness characteristic of the Medici.

    Luther and the Reformation: Joseph A. Seiss
  • She admired his strength, his daring, and his unscrupulousness.

  • On the side of intemperance and self-indulgence are great resources of wealth, power, self-interest, and unscrupulousness.

    Sober by Act of Parliament Fred A. McKenzie
  • There is no doubt as to his malice, and there can be as little as to his unscrupulousness.'

    Dorothy's Double G. A. Henty
British Dictionary definitions for unscrupulousness


without scruples; unprincipled
Derived Forms
unscrupulously, adverb
unscrupulousness, unscrupulosity (ʌnˌskruːpjʊˈlɒsɪtɪ) noun
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 unscrupulousness



1803, from un- (1) "not" + scrupulous.

Online Etymology Dictionary, © 2010 Douglas Harper
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