All 9 Uses of

diligent
in
One Hundred Years of Solitude

Amaranta looked after him with a loving diligence.
Chpt 5 *

diligence = persistence and care

When he passed by the silver shop, which Ursula had prepared with special diligence, he did not even notice that the keys were in the lock.†
Chpt 9

diligence = hard work and care

Nevertheless he insisted with such perseverance, begged in such a way, broke his code of dignity to such a degree, that with a little help from here and a little more from there, sneaking about everywhere, with a slippery diligence and a pitiless perseverance, he managed to put together in eight months more money than Ursula had buried.†
Chpt 12

She was almost as diligent as when she had the whole weight of the house on her shoulders.†
Chpt 13

Seeing him work that way, as she had never dreamed him capable of doing, Fernanda thought that his stubbornness was diligence, his greed abnegation, and his thick-headedness perseverance, and her insides tightened with remorse over the virulence with which she had attacked his idleness.†
Chpt 16

Never a lament had been heard from that stealthy, impenetrable woman who had sown in the family the angelic seed of Remedios the Beauty and the mysterious solemnity of Jose Arcadio Segundo; who dedicated a whole life of solitude and diligence to the rearing of children although she could barely remember whether they were her children or grandchildren, and who took care of Aureliano as if he had come out of her womb, not knowing herself that she was his great-grandmother.†
Chpt 18

But when Ursula died the superhuman diligence of Santa Sofia de la Piedad, her tremendous capacity for work, began to fall apart.†
Chpt 18

Her secret seemed to lie in the fact that she always found a way to keep busy, resolving domestic problems that she herself had created, and doing a poor job on a thousand things which she would fix on the following day with a pernicious diligence that made one think of Fernanda and the hereditary vice of making something just to unmake it.†
Chpt 19

While his steps were progressing he prepared a landing field in the old enchanted region which at that time looked like a plain of crushed flintstone, and he studied the wind direction, the geography of the coastal region, and the best routes for aerial navigation, without knowing that his diligence, so similar to that of Mr. Herbert, was filling the town with the dangerous suspicion that his plan was not to set up routes but to plant banana trees.†
Chpt 19

Definitions:

(1) (diligent as in: she is diligent)
working carefully and steadily with effort and attention to detail
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

More specifically in law, diligence or due diligence refers to the care or attention expected by the law in doing something such as fulfilling the terms of a contract.

More rarely, but sometimes seen in classic literature, a diligence is a public stagecoach.