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Synonyms

unprincipled

American  
[uhn-prin-suh-puhld] / ʌnˈprɪn sə pəld /

adjective

  1. lacking or not based on moral scruples or principles.

    an unprincipled person; unprincipled behavior.

    Synonyms:
    dishonest, tricky
  2. not instructed in the principles of something (usually followed byin ).


unprincipled British  
/ ʌnˈprɪnsɪpəld /

adjective

  1. lacking moral principles; unscrupulous

  2. archaic (foll by in) not versed in the principles of (a subject)

"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

Related Words

See unscrupulous.

Other Word Forms

  • unprincipledness noun

Etymology

Origin of unprincipled

First recorded in 1625–35; un- 1 + principled

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“As the district court noted, Ronaldo mistakenly produced the course of ‘navigating this unorthodox predicament,’ kicked off by Mayorga’s counsel’s ‘unprincipled conduct’ long before, and instituted vigorous efforts to protect the documents afterwards.”

From Seattle Times

He had also proved himself many times over to be untrustworthy and unprincipled.

From Salon

“It’s unprincipled but it’s also unwise because I think it’s going to backfire on them,” said Justin Giboney, a Democratic strategist and president of the AND Campaign, a Christian civic group based in Atlanta.

From Washington Post

"No-one can accuse me of not delivering, of bending under pressure or being unprincipled."

From BBC

From a film in which the underrepresented are branded with bar codes emerges a fight not just for freedom but also a struggle for one’s principles amid unprincipled people.

From New York Times