• WordNet 3.6
    • n fidelity accuracy with which an electronic system reproduces the sound or image of its input signal
    • n fidelity the quality of being faithful
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Webster's Revised Unabridged Dictionary
  • Interesting fact: The game Monopoly was once very popular in Cuba; however, Fidel Castro ordered that all games be destroyed
    • n Fidelity Faithfulness; adherence to right; careful and exact observance of duty, or discharge of obligations. "Whose courageous fidelity was proof to all danger.""The best security for the fidelity of men is to make interest coincide with duty.""The principal thing required in a witness is fidelity ."
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Century Dictionary and Cyclopedia
    • n fidelity Good faith; careful and exact observance of duty or performance of obligations: as, conjugal or official fidelity.
    • n fidelity Faithful devotion or submission; unswerving adherence; close or exact conformity; fealty; allegiance: as, fidelity to a husband or wife, or to a trust; fidelity to one's principles or to instructions; the dog is the type of fidelity.
    • n fidelity Faithful adherence to truth or reality; strict conformity to fact; truthfulness; exactness; accuracy: as, the fidelity of a witness, of a narrative, or of a picture.
    • n fidelity An order of Portugal, founded by John VI. in 1823 for the supporters of the monarchy during the insurrectionary movements in that country. Synonyms Faith, integrity, trustiness, trustworthiness, conscientiousness; Constancy, Faithfulness, etc. (see firmness).
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Chambers's Twentieth Century Dictionary
    • n Fidelity fi-del′i-ti faithful performance of duty: faithfulness to a husband or wife: honesty: firm adherence.
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  • Robert Benchley
    Robert Benchley
    “A dog teaches a boy fidelity, perseverance, and to turn around three times before lying down.”
  • Ambrose Bierce
    “Fidelity. A virtue peculiar to those who are about to be betrayed.”
  • Ellen Key
    Ellen Key
    “Not observation of a duty but liberty itself is the pledge that assures fidelity.”
  • James Parton
    James Parton
    “Fidelity is seven-tenths of business success.”
  • Ida R. Wylie
    Ida R. Wylie
    “Another of our highly prized virtues is fidelity. We are immensely pleased with ourselves when we are faithful.”
  • Joseph Addison
    “Many persons have a wrong idea of what constitutes true happiness. It is not attained through self-gratification but through fidelity to a worthy purpose.”


Webster's Revised Unabridged Dictionary
L. fidelitas,: cf. F. fidélité,. See Fealty
Chambers's Twentieth Century Dictionary
L. fidelitat-emfidelis, faithful—fidĕre, to trust.


In literature:

He had attached himself to her manifestly, persistently, with the fidelity of a wild thing won by sheer absence of pursuit.
"The Creators" by May Sinclair
It is this capacity of honor and fidelity which gives me such entire faith in them as soldiers.
"The Atlantic Monthly, Volume 15, No. 87, January, 1865" by Various
If the artist had drawn with inspiration, the weavers copied with a fidelity little short of talent.
"The Tapestry Book" by Helen Churchill Candee
Shakspeare has rendered this with equal spirit and fidelity.
"Characteristics of Women" by Anna Jameson
But underneath all her cunning is the rock of eternal fidelity.
"Homer's Odyssey" by Denton J. Snider
These circumstances rendered his meeting with Miss Read less unpleasant, so far as his own want of fidelity was concerned.
"The Printer Boy." by William M. Thayer
Thou hast attacked me, notwithstanding the gratitude and fidelity thou owest to me.
"Eastern Tales by Many Story Tellers" by Various
They promised him fidelity and allegiance.
"Great Men and Famous Women. Vol. 3 of 8" by Various
Their fidelity to their master is unbounded, and their affection for him unconquerable.
"Anecdotes of Dogs" by Edward Jesse
Of course Sylvia was destined to see him sooner or later, though she stayed at home with almost morbid fidelity to a resolution she had made.
"Children of the Desert" by Louis Dodge

In poetry:

To fair Fidele's grassy tomb
Soft maids and village hinds shall bring
Each op'ning sweet, of earliest bloom,
And rifle all the breathing spring.
"A Song from Shakespeare's Cymbeline Sung" by William Taylor Collins
Others may come and go, they are to me
But changing mirage, transient, untrue,
My faithlessness is but fidelity
Since I am never faithful, but to you.
"To Aziz: Song Of Mahomed Akram" by Laurence Hope
Richer, than star-like gems, which shed
Their lustrous rays round a royal head,
Is the treasure which true love keeps for thee,
To reward thy prov'd fidelity !—
"Cards of Fortune" by Eliza Acton
Learn thou from Samuel, whilst yet a youth
With strict fidelity to serve thy God,
And to the last, unshaken hold the truth,
Unshock'd by injuries, unstain'd by fraud.
"Stanza's Concerning Some Persons And Things, That Are Mentioned In The Holy Scriptures" by Rees Prichard
Time has transfigures them into
Untruth. The stone fidelity
They hardly meant has come to be
Their final blazon, and to prove
Our almost-instinct almost true:
What will survive of us is love.
"An Arundel Tomb" by Philip Larkin
The student ranks are closed, there is no gap;
Of other brave aspirants is no dearth;
Prowess, fidelity, and truth go on,
And few shall miss or mourn the student gone,
Reposing in the all-protecting lap
Of Mother Earth.
"The Student Gone" by Hattie Howard

In news:

In this video about Big Data , Fidelity analyst Kyle Weaver explains why.
Police late Tuesday released a more detailed description of a man who robbed Fidel's Mexican Food on Airport Boulevard.
Google Docs 'Fidelity' Leaves Something to Be Desired .
Yom Kippur teaches eternity and fidelity.
Among the big industry players making moves into managed ETFs are State Street's "SPDRs" ETFs family and Fidelity Investments.
Bisby, Permanent Representative from Cuba to the UN, answers questions from the foreign press about Cuba and Fidel Castro.
Fidel Castro Relinquishes Power.
Fidel Castro publishes article criticizing health rumors.
Ex-Venezuelan VP says he met with Fidel Castro .
Fidel Castro publishes ironically-titled article 'Fidel is Dying' criticizing health rumors.
Fidel Castro is alive and well, according to Elias Jaua, a former Venezuelan vice president who said he met with the Cuban revolutionary leader over the weekend.
Cuban leader Fidel Castro through the years.
Fidel Castro debunked rumors he was dead in the state-run newspaper today.
Ex Venezuelan VP confirms meeting with Fidel Castro , shows AP photos.
Fidel Castro appears in public.

In science:

The high values of the red bars peaking at nt show the actual fidelity of the state preparation.
Real-time quantum feedback prepares and stabilizes photon number states
Figure 4a shows the fraction of trajectories having reached the 0.8 fidelity threshold for nt = 3 as a function of time.
Real-time quantum feedback prepares and stabilizes photon number states
Figure 5: The Fidelity of the travelling state , where it is assumed that both particles are accelerated i.e, ra = rb = r for a system initially prepared in a pure state,(a) for the first region I and (b) for the second region I I .
Usefulness classes of travelling entangled channels in noninertial frames
Fidelity is, at least when averaged over a large number of eigenstates, closely related to the parametric energy correlator, respectively to its Fourier transform, the so– called cross form–factor [14–17].
Fidelity and level correlations in the transition from regularity to chaos
Fidelity amplitude is defined by ( = 1) f (t) = hψ |eiH t e−iH0 t |ψi .
Fidelity and level correlations in the transition from regularity to chaos