Definition of "enduringness" [enduringness]

• The quality of being enduring; lastingness. (noun)

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• "Despite vinyl being the most standard material for these record discs, there were still some issues with its enduringness."
• "Her characters - - their lives, their triumphs, and their failures – speak to the enduringness of love and truth and the dominance of the human spirit."
• "And we think happiness has pleasure mingled with it, but the activity of philosophic wisdom is admittedly the pleasantest of virtuous activities; at all events the pursuit of it is thought to offer pleasures marvellous for their purity and their enduringness, and it is to be expected that those who know will pass their time more pleasantly than those who inquire."