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unscrupulous

[uhn-skroo-pyuh-luh s]
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adjective
  1. not scrupulous; unrestrained by scruples; conscienceless; unprincipled.

Origin of unscrupulous

First recorded in 1795–1805; un-1 + scrupulous
Related formsun·scru·pu·lous·ly, adverbun·scru·pu·lous·ness, un·scru·pu·los·i·ty [uhn-skroo-pyuh-los-i-tee] /ʌnˌskru pyəˈlɒs ɪ ti/, noun

Synonyms

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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.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for unscrupulousness

Historical Examples

  • Yet you permit him to continue—you with your unscrupulousness and your secret agents.

    The Traitors

    E. Phillips (Edward Phillips) Oppenheim

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

    If Winter Don't

    Barry Pain

  • Literally: Whatever violence and unscrupulousness attack, comes.

  • Monsieur, on his side, fell to the lowest depths of baseness and unscrupulousness.

    A Chambermaid's Diary

    Octave Mirbeau

  • She admired his strength, his daring, and his unscrupulousness.


British Dictionary definitions for unscrupulousness

unscrupulous

adjective
  1. without scruples; unprincipled
Derived Formsunscrupulously, adverbunscrupulousness or 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

Word Origin and History for unscrupulousness

unscrupulous

adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper