• WordNet 3.6
    • n persistency persistent determination
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: The longest hiccups on record was by an American pig farmer whose hiccups persisted from 1922 to 1987
    • Persistency The persistence of motion.
    • Persistency The quality or state of being persistent; staying or continuing quality; hence, in an unfavorable sense, doggedness; obstinacy.
    • Persistency Visual persistence, or persistence of the visual impression; auditory persistence, etc.
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The correct name for the capital city of Thailand is rung Thep, and it's been this way for over 130 years. Foreigners persist on calling it Bangkok.
    • n persistency Same as persistence, 1.
    • ***
Chambers's Twentieth Century Dictionary
    • ns Persistency quality of being persistent: perseverance: obstinacy: duration, esp. of an effect after the exciting cause has been removed
    • ***


  • Johnson
    “No one will persist long in helping someone who will not help themselves.”
  • Frank Moore Colby
    “We always carry out by committee anything in which any one of us alone would be too reasonable to persist.”
  • Publius Cornelius Tacitus
    “The brave and bold persist even against fortune; the timid and cowardly rush to despair though fear alone.”
  • Napoleon Hill
    “The most interesting thing about a postage stamp is the persistence with which it sticks to its job.”
  • Tobias Wolff
    Tobias Wolff
    “We are made to persist. That's how we find out who we are.”
  • Albert Einstein
    “Reality is merely an illusion, albeit a very persistent one.”


Webster's Revised Unabridged Dictionary
See Persistent
Chambers's Twentieth Century Dictionary
Fr.,—L. persistĕreper, through, sistĕre, to cause to stand—stāre, to stand.


In literature:

But never persist in such a state beyond the time when your deep hurt dies down.
"Fantasia of the Unconscious" by D. H. Lawrence
The prevalence and persistence of hatred in war is a sign of imperfect morale.
"The Psychology of Nations" by G.E. Partridge
The persistent or pernicious vomiting which continues on through pregnancy will be spoken of later.
"The Mother and Her Child" by William S. Sadler
The savages, in constantly increasing numbers, clustered around the town and attacked the Spaniards with terrible persistence.
"South American Fights and Fighters" by Cyrus Townsend Brady
Mollie runs the cold tap persistently at home, and I really need appreciation.
"The Fortunes of the Farrells" by Mrs. George de Horne Vaizey
Still, Weston persisted in his search; though it was not patience but the savageness of desperation that animated him.
"The Gold Trail" by Harold Bindloss
Imagine that expense always persisting, day after day, night after night!
"Clayhanger" by Arnold Bennett
No one can pursue a worthy object steadily and persistently with all the powers of his mind, and yet make his life a failure.
"Pushing to the Front" by Orison Swett Marden
A persistent nature feeds on opposition, and the failure of his first attempt merely prepared Prescott for a second.
"Before the Dawn" by Joseph Alexander Altsheler
After that day, Black Bruin was a persistent hunter for bumblebees' nests.
"Black Bruin" by Clarence Hawkes

In poetry:

Yet do we still persist as we began,
And so should perish, but that nothing can,
Though it be cold, hard, foul, from loving man
Withhold thee.
"Sepulchre" by George Herbert
But still his tired eyes rarely learned
The glad relief by Nature brought;
Her mountain ranges never turned
His current of persistent thought.
"Sumner" by John Greenleaf Whittier
Accept the voice,—ah, hear the whole
Of its persistent, artless strain:
Naught so can soothe a soul's own pain,
As making glad another soul!
"Give Ear Unto The Gentle Lay" by Paul Verlaine
Yet when some better-fated Youth
Shall with his am'rous Parly move Thee;
Reflect One Moment on His Truth,
Who dying Thus, persists to love Thee.
"Answer To Cloe Jealous. The Author Sick" by Matthew Prior
And though thou givest back but cruelty,
Their love, persistent, shall not heed nor care,
All those whose ears are fed with blame of thee
Shall say, "It may be so, but he was fair."
"Song Of The Peri" by Laurence Hope
When on the leaves the rain persists,
And every gust brings showers down;
When all the woodland smokes with mists,
I take the old road out of town
Into the hills through which it twists.
"Rain In The Woods" by Madison Julius Cawein

In news:

Claims that the CDC in 2000 conspired with leading vaccine researchers to hide evidence of vaccine risk have been debunked, but concerns over vaccine safety persist.
I started teaching at Interlochen last year and within the year I noticed that there is a persistent conflict within the Interlochen student.
However, unfavorably hot conditions persist in much of the Midwest.
Thanks to acupuncture, water therapy, patience and persistence, Rufus is no longer paralyzed from the shoulders back.
"No one has been more persistent in trying to see his dream come true," Lieberth said.
A persistent pruritic eruption had developed acutely on the legs.
A New Deal Democrat, he used his position to battle the persistent poverty of the state where he himself grew up poor.
But he persisted, arguing his case in repeated courtroom confrontations.
Rocket, Missile Attacks Persist In Gaza Strip.
Benzophenone-3 Found to Persist in the Body.
Outages persist in Connecticut, 9 days after storm.
Gas Lines Ease, but Shortages and Closed Stations Persist Across New York Region.
Tempers Rise as Temps Fall, Power Outages Persist in Wake of Sandy (Photo Credit: Emile Wamsteker/Bloomberg via Getty Images).
Region's real estate market persisting .
Why the drought is persisting and growing.

In science:

Gordon model to evaluate the persistent spin current within a chiral domain of a helimagnet.
Persistent Spin Currents in Helimagnets
We now demonstrate how the in-plane magnetic field gives rise to a persistent spin current.
Persistent Spin Currents in Helimagnets
In particular helimagnets, which have spiral ground states, do not support persistent spin currents.
Persistent Spin Currents in Helimagnets
These images are of double stranded RNA of approximate length 2-4× the dsRNA persistence length.
Ribosome recycling, diffusion, and mRNA loop formation in translational regulation
Large reductions in the persistence length of dsDNA containing segments of singlestranded regions have also been observed by Mills et al. [Mills et al. 1994].
Ribosome recycling, diffusion, and mRNA loop formation in translational regulation