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She is conscientious in the lab.
  careful to do one’s work properly or to do what is right
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conscientious conscientiously conscientiousness
More rarely, conscientious may mean:  guided by or in accordance with conscience or sense of right and wrong — such as a conscientious objector to fighting in a war.
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  • She is conscientious in the lab.
  • Some of the faculty are pretty conscientious.
    J.D. Salinger  --  The Catcher in the Rye
  • Slowly and conscientiously he ate all of the wedge-shaped strips of fish.
    Ernest Hemingway  --  The Old Man and the Sea
  • I cannot keep count of them, though I have tried conscientiously.
    Charlotte Perkins Gilman  --  The Yellow Wallpaper

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  • My conscientious objection to most homework had put my grades in the toilet, but the only class I had outright flunked was precalc.
    Laurie Halse Anderson  --  The Impossible Knife of Memory
  • She seemed like such a conscientious sort.
    Margaret Peterson Haddix  --  Uprising
  • And then suddenly there was a date, and the date was today, and Dunne family and friends were shaking off the October drizzle from umbrellas and carefully, conscientiously wiping their feet on the floor mat Maureen had brought for us this morning.
    Gillian Flynn  --  Gone Girl
  • That he was a good man" An honest, conscientious man?
    Nicholas Sparks  --  The Longest Ride
  • Conscientious to a fault, thoughtful of others, and affectionate within reasonable bounds, he was the kind of father whose idealized image appears in many wistful books of human family reminiscences, but whose real prototype has seldom paced the earth upon two legs.
    Farley Mowat  --  Never Cry Wolf
  • The unsuspecting traveler fell into his part as conscientiously as he read his primer.
    Elizabeth George Speare  --  The Witch of Blackbird Pond

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  • Meanwhile Jeannie’s Hugh, one of those thorough, conscientious types, reorganized the whole kitchen and scrubbed down every surface.
    Anne Tayler  --  A Spool of Blue Thread
  • Remold yourself conscientiously.
    Ji-Li Jiang  --  Red Scarf Girl
  • He had conscientiously used the forbidden words—monsieur, madame; he had spread a tablecloth.
    V.S. Naipaul  --  A Bend in the River
  • For no clear reason a series of somber chords, struck in the middle of the symphony’s andante movement, reminded her of the remarkable poem which had been read to her at the end of her last English class, a few days before, by the teacher, an ardent, fat, patient and conscientious young graduate student known to the class as Mr. Youngstein.
    William Styron  --  Sophie’s Choice
  • No offense to Frank, but after the fiasco at Fort Sumter, Leo had become a conscientious objector to riding giant eagles.
    Rick Riordan  --  The Blood of Olympus
  • Conscientiously, Iona sprinkled flour over the next layer of sliced potatoes.
    Nora Roberts  --  Dark Witch
  • ’Oh, don’t cry — don’t, said Phyllis, ’it’s all right now and she patted him on one big, broad shoulder, while Peter conscientiously thumped the other.
    Edith Nesbit  --  The Railway Children
  • He went over things carefully and conscientiously in his mind.
    Agatha Christie  --  And Then There Were None
  • The women of the village take turns cooking for us, and some are cleaner and more conscientious than others.
    Alice Walker  --  The Color Purple
  • He studied conscientiously and hard.
    Ayn Rand  --  The Fountainhead
  • As for Passepartout, he, too, had escaped sea-sickness, and took his meals conscientiously in the forward cabin.
    Jules Verne  --  Around the World in 80 Days
  • I am not sure that as a conscientious detective my first duty is not to arrest the whole household.
    Arthur Conan Doyle  --  The Hound of the Baskervilles
  • "I will see them both," returned the inspector; "I must conscientiously perform my duty."
    Alexandre Dumas  --  The Count of Monte Cristo
  • He was a very serious, very earnest and very conscientious dope.
    Joseph Heller  --  Catch-22
  • But she was the best and most conscientious of stepmothers, and back I had to go to my room.
    Herman Melville  --  Moby Dick
  • I took dinner usually at the Yale Club — for some reason it was the gloomiest event of my day — and then I went up-stairs to the library and studied investments and securities for a conscientious hour.
    F. Scott Fitzgerald  --  The Great Gatsby
  • And, underlying all, deeper than anything else, higher and broader, lay the strongest principle of her being—conscientiousness.
    Harriet Beecher Stowe  --  Uncle Tom’s Cabin
  • Eddie Willers pulled his shoulders straight, in conscientious self-discipline.
    Ayn Rand  --  Atlas Shrugged
  • HIGGINS [conscientiously] Oh!
    George Bernard Shaw  --  Pygmalion
  • The dentist, on the other hand, seemed most conscientious be would order us to open our mouths wide.
    Elie Wiesel  --  Night
  • What he had read there was that I was an excellent young fellow, a steady, conscientious worker who did his best by his employer; that I was popular with everyone and sympathetic in others’ troubles.
    Albert Camus  --  The Stranger
  • Others supervised the conscientious performance of the dances.
    Wladyslaw Szpilman  --  The Pianist
  • He seems to be a most conscientious and polite young man, upon my word, and I doubt not will prove a valuable acquaintance, especially if Lady Catherine should be so indulgent as to let him come to us again.
    Jane Austen  --  Pride and Prejudice
  • His habit of talking to himself in a low voice grew steadily upon him, but though Mrs. Hall listened conscientiously she could make neither head nor tail of what she heard.
    H.G. Wells  --  The Invisible Man
  • Let the provocation be what it will, whether from a good-natured and conscientious, or a wicked, perverse, and vexatious man; all this we should take as from the over-ruling hand of God, as a punishment for our sins.
    Daniel Defoe  --  Robinson Crusoe
  • She is conscientious, and I have no fear of her treating him unkindly.
    Louisa May Alcott  --  Little Women
  • You understand that my sole desire is conscientiously to carry out his wishes; that is my only reason for being here.
    Leo Tolstoy  --  War and Peace
  • How can I convey to you how well he has kept his pledge to the Founder, how conscientious has been his stewardship?
    Ralph Ellison  --  Invisible Man
  • D’Artagnan did reflect, and resolved to thrash Planchet provisionally; which he did with the conscientiousness that d’Artagnan carried into everything.
    Alexandre Dumas  --  The Three Musketeers
  • The war in which he had served so conscientiously had wrecked his health, cost him his fortune and made him an old man.
    Margaret Mitchell  --  Gone with the Wind
  • They should be exempted like conscientious objectors.
    Ernest Hemingway  --  For Whom the Bell Tolls
  • But it was not such a bad arrangement after all; a little "appreciation" sometimes does quite as much good as all the conscientious "bringing up" in the world.
    Lucy Maud Montgomery  --  Anne Of Green Gables
  • I could not conscientiously open a knee like that before the projectile was encysted.
    Ernest Hemingway  --  A Farewell to Arms
  • Ang Dorje was bright, interested, keen to learn, and conscientious almost to a fault.
    Jon Krakauer  --  Into Thin Air
  • Blomkvist might have no experience of evaluating criminal investigations, but he reckoned that Inspector Morell had been exceptionally conscientious.
    Stieg Larsson  --  The Girl with the Dragon Tattoo
  • Truth to say, he was a conscientious man, and ever bore in mind the golden maxim, "Spare the rod and spoil the child."
    Washington Irving  --  The Legend of Sleepy Hollow
  • His face, however, was pale and serious , very much the face of a conscientious student.
    Stephen King  --  Misery
  • Lori Andrews, director of the Institute for Science, Law and Technology at the Illinois Institute of Technology, wants something more drastic: she has called for people to get policymakers’ attention by becoming "conscientious objectors in the DNA draft" and refusing to give tissue samples.
    Rebecca Skloot  --  The Immortal Life of Henrietta Lacks
  • If our neighbours were as conscientious as ourselves, he had no doubt that their liquidations would far outnumber ours: unfortunately there were certain persons with elastic principles.
    John Wyndham  --  The Chrysalids
  • In consequence of this bad fashion, a man, who is too conscientious to misspend his days among the women, in learning the names of black marks, may never hear of the deeds of his fathers, nor feel a pride in striving to outdo them.
    James Fenimore Cooper  --  The Last of the Mohicans
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Associated words [difficulty]:   conscientious [2]
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Most commonly used in these subjects:   Classic Literature, Human Behavior, Religion & Spirtuality
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