• WordNet 3.6
    • adj painstaking characterized by extreme care and great effort "conscientious application to the work at hand","painstaking research","scrupulous attention to details"
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Webster's Revised Unabridged Dictionary
    • a Painstaking pānz"tāk`ĭng Careful in doing; diligent; faithful; attentive. "Painstaking men."
    • n Painstaking The act of taking pains; carefulness and fidelity in performance.
    • ***
Century Dictionary and Cyclopedia
    • n painstaking The taking of pains; assiduous and careful labor.
    • painstaking That takes pains or trouble; characterized by close, careful, assiduous, or conscientious application or labor; industrious; laborious and careful: as, a painstaking person.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Painstaking taking pains or care: laborious: diligent
    • ***


Chambers's Twentieth Century Dictionary
Fr. peine—L. pœna, satisfaction—Gr. poinē, penalty.


In literature:

But Joe painstakingly played the buttons of the steering-rocket control board.
"Space Tug" by Murray Leinster
They make adorable country squires, and picturesque, simple-minded, painstaking men of rank.
"Prisoners" by Mary Cholmondeley
His patient and painstaking observation is a lesson to all nature students.
"The Last Harvest" by John Burroughs
His speech was painstaking, but not particularly impressive.
"The King's Men" by Robert Grant, John Boyle O'Reilly, J. S. Dale, and John T. Wheelwright
Vye fingered Hume's knife, which had been painstakingly lashed to a trimmed shaft of wood.
"Star Hunter" by Andre Alice Norton
And he does it all in a painstaking way and with evident sincerity.
"Golden Lads" by Arthur Gleason and Helen Hayes Gleason
She had a notion that she herself was quick and could become painstaking.
"Girlhood and Womanhood" by Sarah Tytler
I was sure that his painstaking description of assets and market values was boring her.
"Lady Larkspur" by Meredith Nicholson
Barely an hour ago it had been left in spotless order by a couple of painstaking servants.
"A Maker of History" by E. Phillips Oppenheim
If the presence of her had any such effect on Bill Wagstaff, he painstakingly concealed it.
"North of Fifty-Three" by Bertrand W. Sinclair

In news:

In an exhibit appropriately titled "TOIL," Townsley creates her art by painstakingly repeating humble processes like scribbling.
Characterized by steady, earnest, and energetic effort: painstaking.
He spent 11 hours painstakingly re-creating Vincent Van Gogh's masterpiece 'Starry Night.'.
Luminaries' letters to Ernest Hemingway undergo painstaking restoration.
Three hours long and years in the making, it's painstaking, troubling, and thorough.
Wyclef Jean said the decision came from 'weeks of quiet but painstaking reflection'.
Cinema's first SciFi hit is enjoying new life after painstaking 'resurrection'.
Darryl Carter's painstaking Shaw restoration project.
Painstaking Design, Simulation Bring Leyla to Life.
Winemaker's painstakingly built empire crumbled in months amid recession.
The city's Old Town—a restored unesco World Heritage site—is a window into the country's colonial past, full of painstakingly renovated mansions and churches, new restaurants and hotels, and recently opened museums.
A technician painstakingly reconstructs torn files by hand.
Between ferocious workouts and studying game tape, Kevin doesn't always have time to painstakingly curate "Summer 2012 Rave" mixes.
And then 13 years of painstaking improvement.
One aspect on which all the MBA career experts agree is that this narrowing of focus and painstaking planning requires some serious self-reflection and due diligence.

In science:

The authors are very grateful to the referee for his many highly constructive and painstaking comments to the first version of this paper.
Level Crossing Probabilities II: Polygonal Recurrence of Multidimensional Random Walks
Painstaking but steady progress in both the QRPA and the NSM approaches is gradually leading to a better understanding—and to a reduction—of the differences among their results .
Overconstrained estimates of neutrinoless double beta decay within the QRPA
Years of painstaking work have culminated in a best fit (M¨oller et al., 1995) that reproduces the data points very well but not exactly.
Random Matrices and Chaos in Nuclear Physics
We are grateful to Guillermo Torres for painstakingly reviewing our calculations of system parameters and for helpful discussions on the determination of parameter uncertainties.
Near-Infrared Light Curves of the Brown Dwarf Eclipsing Binary 2MASS J05352184-0546085: Can Spots Explain the Temperature Reversal?
Many of the algorithms that used normal surfaces were so complex that it was believed that any attempt at implementation would be both painstaking to develop and impractically slow to run.
Computational topology with Regina: Algorithms, heuristics and implementations