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.
careful and painstaking; particular; meticulous; scrupulous: conscientious application to the work at hand.
Origin of conscientious
1605–15;Related formscon·sci·en·tious·ly, adverbcon·sci·en·tious·ness, nounhy·per·con·sci·en·tious, adjectivehy·per·con·sci·en·tious·ly, adverbhy·per·con·sci·en·tious·ness, nouno·ver·con·sci·en·tious, adjectiveo·ver·con·sci·en·tious·ly, adverbun·con·sci·en·tious, adjectiveun·con·sci·en·tious·ly, adverbun·con·sci·en·tious·ness, noun
< Medieval Latin conscientiōsus,
equivalent to Latin conscienti(a
+ -ōsus -ous
Synonyms for conscientious
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for unconscientiously
Historical Examples of unconscientiously
I suppose he may have used some irritating expressions, unconsciously, but not unconscientiously, I am sure.
British Dictionary definitions for unconscientiously
Derived Formsconscientiously, adverbconscientiousness, noun
involving or taking great care; painstaking; diligent
governed by or done according to conscience
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for unconscientiously
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