unprincipled


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un·prin·ci·pled

 (ŭn-prĭn′sə-pəld)
adj.
Lacking principles or moral scruples; unscrupulous: unprincipled behavior.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

unprincipled

(ʌnˈprɪnsɪpəld)
adj
1. lacking moral principles; unscrupulous
2. (foll by in) archaic not versed in the principles of (a subject)
unˈprincipledness n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

un•prin•ci•pled

(ʌnˈprɪn sə pəld)

adj.
1. lacking or not based on moral scruples or principles; dishonest.
2. not instructed in the principles of something (usu. fol. by in).
[1625–35]
un•prin′ci•pled•ness, n.
syn: See unscrupulous.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.unprincipled - lacking principles or moral scruplesunprincipled - lacking principles or moral scruples; "freedom from coarse unprincipled calumny"- A.E.Stevenson
unscrupulous - without scruples or principles; "unscrupulous politicos who would be happy to sell...their country in order to gain power"
principled - based on or manifesting objectively defined standards of rightness or morality; "principled pragmatism and unprincipled expediency"; "a principled person"
2.unprincipled - having little or no integrityunprincipled - having little or no integrity  
dishonorable, dishonourable - lacking honor or integrity; deserving dishonor; "dishonorable in thought and deed"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

unprincipled

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

unprincipled

adjective
Lacking scruples or principles:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations

unprincipled

[ʌnˈprɪnsɪpld] ADJsin escrúpulos, cínico
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

unprincipled

[ʌnˈprɪnsɪpəld] adj [person] → dénué(e) de principes; [conduct, behavior] → amoral(e)
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

unprincipled

adjskrupellos; person alsocharakterlos
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

unprincipled

[ʌnˈprɪnsɪpld] adjsenza scrupoli
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in classic literature ?
I am, indeed, provoked at the artifice of this unprincipled woman; what stronger proof of her dangerous abilities can be given than this perversion of Reginald's judgment, which when he entered the house was so decidedly against her!
The girl put the question to Usanga, who, degraded, cunning, and entirely unprincipled, was always perfectly willing to promise anything whether he had any intentions of fulfilling his promises or not, and so immediately assented to the proposition.
High times, indeed, if unprincipled young rakes like him are to be permitted to invade the sanctity of domestic bliss; though do what the Bashaw will, he cannot keep the most notorious Lothario out of his bed; for, alas!
``The unprincipled marauders,'' he said ``were I ever to become monarch of England, I would hang such transgressors over the drawbridges of their own castles.''
Her indignation would have been still stronger than it was, had she not witnessed that embarrassment which seemed to speak a consciousness of his own misconduct, and prevented her from believing him so unprincipled as to have been sporting with the affections of her sister from the first, without any design that would bear investigation.
Bingley, when questioned by Jane, had long ago asserted his blamelessness in the affair; that proud and repulsive as were his manners, she had never, in the whole course of their acquaintance-- an acquaintance which had latterly brought them much together, and given her a sort of intimacy with his ways-- seen anything that betrayed him to be unprincipled or unjust--anything that spoke him of irreligious or immoral habits; that among his own connections he was esteemed and valued-- that even Wickham had allowed him merit as a brother, and that she had often heard him speak so affectionately of his sister as to prove him capable of some amiable feeling; that had his actions been what Mr.
"Your Freindship for my Daughter has indeed been most powerfully exerted by throwing her into the arms of an unprincipled Fortune- hunter." (replied he)
The next morning found miles and miles of grassy avenues spread thick with snowy salt and sugar, and a procession of those quaint sleighs waiting to receive the chief concubine of the gaiest and most unprincipled court that France has ever seen!
But he was the only man with whom Daylight was really intimate, though he was on terms of friendliest camaraderie with the rough and unprincipled following of the bosses who ruled the Riverside Club.
He has been employed in negotiations for making foreign railways--repudiated by an unprincipled Government.
"He probably had Jacinto, or some of that unprincipled scoundrel's friends, show him a short route to Copan and he came on from there."
He did not even tell them his true name, and so they knew him only as Michael Sabrov, nor was there any resemblance between this sorry wreck and the virile, though unprincipled, Alexis Paulvitch of old.