unconscientious

conscientious

[kon-shee-en-shuhs, kon-see-]
adjective
1.
controlled by or done according to one's inner sense of what is right; governed by conscience; principled: a conscientious judge.
2.
careful and painstaking; particular; meticulous; scrupulous: conscientious application to the work at hand.

Origin:
1605–15; < Medieval Latin conscientiōsus, equivalent to Latin conscienti(a) conscience + -ōsus -ous

conscientiously, adverb
conscientiousness, noun
hyperconscientious, adjective
hyperconscientiously, adverb
hyperconscientiousness, noun
nonconscientious, adjective
nonconscientiously, adverb
nonconscientiousness, noun
overconscientious, adjective
overconscientiously, adverb
overconscientiousness, noun
quasi-conscientious, adjective
quasi-conscientiously, adverb
unconscientious, adjective
unconscientiously, adverb
unconscientiousness, noun


1. just, upright, honest, faithful, devoted, dedicated. 2. See painstaking.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
conscientious (ˌkɒnʃɪˈɛnʃəs)
 
adj
1.  involving or taking great care; painstaking; diligent
2.  governed by or done according to conscience
 
consci'entiously
 
adv
 
consci'entiousness
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

conscientious
1610s, from Fr. conscientieux (16c.), from M.L. conscientiosus, from conscientia (see conscience). Related: Conscientiously (1660); conscientiousness (1630s).
Online Etymology Dictionary, © 2010 Douglas Harper
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