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2017 Word of the Year

conscientious

[kon-shee-en-shuh s, kon-see-] /ˌkɒn ʃiˈɛn ʃəs, ˌkɒn si-/
adjective
1.
governed by conscience; controlled by or done according to one's inner sense of what is right; principled:
She's a conscientious judge, who does not let personal prejudices influence her decisions.
2.
careful and painstaking; particular; meticulous; scrupulous:
conscientious application to the work at hand.
Origin of conscientious
1605-1615
1605-15; < Medieval Latin conscientiōsus, equivalent to Latin conscienti(a) conscience + -ōsus -ous
Related forms
conscientiously, adverb
conscientiousness, noun
hyperconscientious, adjective
hyperconscientiously, adverb
hyperconscientiousness, noun
overconscientious, adjective
overconscientiously, adverb
unconscientious, adjective
unconscientiously, adverb
unconscientiousness, noun
Synonyms
1. just, upright, honest, faithful, devoted, dedicated. 2. See painstaking.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for unconscientious
Historical Examples
  • Often, unconscientious pleasure-seekers roam the roads in their auto.

    Sex Henry Stanton
  • That woman ought not to be at large—so rich and good-looking and unconscientious!

    A Cathedral Courtship Kate Douglas Wiggin
  • Yet it is one of the most unconscientious diaries ever written.

    Sophy of Kravonia Anthony Hope
  • I trust that you have given me credit, Mr. Gammon, for offering no vexatious or unconscientious obstacles.

  • Nay, but God forbid that any unconscientious advantage should be taken on my behalf!

  • My publications alone heal more sickness than an unconscientious student can begin to reach.

  • It was not the intention of William Williams to act with unconscientious haste—but he would watch and weigh the evidence.

    The Tyranny of Weakness Charles Neville Buck
  • Under an unconscientious King it might be squandered broadcast among his minions or his mistresses.

  • Please to come in a very mischievous, unconscientious, theatre-loving humor.

  • The present agitation was a dissolving view, unconscientious and useless, and quickly accomplished.

    An Iceland Fisherman Pierre Loti
British Dictionary definitions for unconscientious

conscientious

/ˌkɒnʃɪˈɛnʃəs/
adjective
1.
involving or taking great care; painstaking; diligent
2.
governed by or done according to conscience
Derived Forms
conscientiously, adverb
conscientiousness, 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 unconscientious

conscientious

adj.

1610s, from Middle French conscientieux (16c.; Modern French consciencieux), from Medieval Latin conscientiosus, from conscientia (see conscience). Related: Conscientiously; conscientiousness.

Online Etymology Dictionary, © 2010 Douglas Harper
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