naive


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naïve

 [nah-ēv´]
not previously exposed to therapy or treatment.

naive

or

naïve

(nī-ēv′, nä-) also

naif

or

naïf

(nī-ēf′, nä-)
adj.
Not having experienced or been subjected to something, as:
a. Not previously subjected to experiments: testing naive mice.
b. Not having previously taken or received a particular drug: patients naive to antipsychotic medication.

na·ive′ly adv.
na·ive′ness n.
Immunology Referring to a person or an immune system which has not been previously exposed to a particular antigen and thus doesn’t form antibodies against the antigen
Vox populi Innocent, unsophisticated, artless, ingenuous, unworldly, trusting

naive

in immunology, an individual that has not been exposed to a particular antigen.
References in classic literature ?
Miss Brooke was certainly very naive with all her alleged cleverness.
Then there is the Fortune Theatre near Cripplegate, and, most charming of all, two views--street and river fronts--the Duke's Theatre, Dorset Garden, in Fleet Street, designed by Wren, decorated by Gibbons--graceful, naive, dainty, like the work of a very refined Palladio, working minutely, perhaps more delicately than at Vicenza, in the already crowded city on the Thames side.
In truth, they were children together, so far as love was concerned, and they were as naive and immature in the expression of their love as a pair of children, and this despite the fact that she was crammed with a university education and that his head was full of scientific philosophy and the hard facts of life.
Of course, all the chances were that de Barral should have fallen upon a perfectly harmless, naive, usual, inefficient specimen of respectable governess for his daughter; or on a commonplace silly adventuress who would have tried, say, to marry him or work some other sort of common mischief in a small way.
He wanted to get me home, he said, to have me all to himself, and to see me safely installed as the mistress of Grassdale Manor, just as single-minded, as naive, and piquante as I was; and as if I had been some frail butterfly, he expressed himself fearful of rubbing the silver off my wings by bringing me into contact with society, especially that of Paris and Rome; and, more-over, he did not scruple to tell me that there were ladies in both places that would tear his eyes out if they happened to meet him with me.
George was proud of her popularity, and pleased with the manner (which was very gay and graceful, though naive and a little timid) with which she received the gentlemen's attentions, and answered their compliments.
Anna experienced almost physical pleasure in the sensation of his nearness, and his caresses, and moral soothing, when she met his simple, confiding, and loving glance, and heard his naive questions.
But the memory of the vision, the memory that abides forever within the seer made him say to her with the naive austerity of a convert awed by the touch of a new creed, "You haven't the gift.
A naive yet thoughtful assurance is a better definition.
I suppose one must be a Russian to understand Russian simplicity, a terrible corroding simplicity in which mystic phrases clothe a naive and hopeless cynicism.
Critique: Impressively well written and thoroughly engaging from beginning to end, "The Naive Guys" establishes author Harry Patz Jr.
Naive Joe signed a contract with Predatory Corp without realizing he may have inadvertently assumed personal liability for his corporation's debt in the event that the company failed to pay the significant advertising costs.