Longman Dictionary of Contemporary English
The Collaborative International Dictionary
Conscientious \Con`sci*en"tious\, a. [Cf. F. consciencieux, LL. conscientiosus.]
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Influenced by conscience; governed by a strict regard to the dictates of conscience, or by the known or supposed rules of right and wrong; -- said of a person.
The advice of wise and conscientious men.
--Prescott. -
Characterized by a regard to conscience; conformed to the dictates of conscience; -- said of actions.
A holy and conscientious course.
--Abp. Tillotson.Syn: Scrupulous; exact; faithful; just; upright.
Douglas Harper's Etymology Dictionary
1610s, from Middle French conscientieux (16c.; Modern French consciencieux), from Medieval Latin conscientiosus, from conscientia (see conscience). Related: Conscientiously; conscientiousness.
Wiktionary
a. thorough, careful, or vigilant; implies a desire to do a task well.
WordNet
adj. characterized by extreme care and great effort; "conscientious application to the work at hand"; "painstaking research"; "scrupulous attention to details" [syn: painstaking, scrupulous]
guided by or in accordance with conscience or sense of right and wrong; "a conscientious decision to speak out about injustice" [ant: unconscientious]
Wikipedia
Usage examples of "conscientious".
And, suddenly, Phineas Babbitt, realizing that his son, Leander, was twenty-five years old and, therefore, within the limits of the draft age, became once more an ardent, if a little more careful, conscientious objector.
Pettigrew, that overly conscientious Committeeman, out of his hair - as soon as possible.
I have been often surprised to hear how Patti, so conscientious in other respects, slights her texts, obliterating consonants and altering vowels after the fashion of the Italian school.
All experiments made by intelligent and conscientious physicians or surgeons upon their patients for some definite purpose pertaining to the personal benefit of the patient himself, and when practicable, in case of risk, with his or her consent.
Some of the more conscientious of the delegation forwent the vodka, but neither Marlowe, Winston, nor John Single Cloud were among their number.
It is impossible to study the several memoirs and works of those two conscientious and admirable observers, Kolreuter and Gartner, who almost devoted their lives to this subject, without being deeply impressed with the high generality of some degree of sterility.
The Limoges women accused her of being in love with Monsieur de Grandville, who certainly paid her assiduous attention, to which Veronique opposed all the barriers of a conscientious resistance.
He was a conscientious young man, and since he had charge of Elk Spring camp, he set its interests above his own, which was more than some of the Sawtooth men would have done in his place.
They always run to the side when there is anything to see, whereas a conscientious and experienced steamboatman would stick to the center of the boat and part his hair in the middle with a spirit level.
Having failed to get quickly accepted into medical school, Brandt belatedly declared himself a conscientious objector and was drafted directly into the Medical Corps.
Believe it or not, Florida has many conscientious builders who make solid homes that stand up well to hurricanes.
Conscientious Jem there was no fear of--all the rosy-cheeked damsels in Christendom would not have turned him aside from one iota of his duty to Mr.
This woman drank moderately, but was very conscientious in despatching her three younger children to school.
Caity nodded, looking like a conscientious schoolchild, and bore Hosea off.
He had lived so much among his medicaments that he had at last become himself a drug, and to have him pass through a sick-chamber was a stronger dose than a conscientious disciple of Hahnemann would think it safe to administer.