What is "derelictions"

Usage examples of "derelictions".

Let any woman who is disquieted by reports of her husband's derelictions figure to herself how long it would have taken him to propose to her if left to his own enterprise, and then let her ask herself if so pusillanimous a creature could be imaged in the role of Don Giovanni.

I seated myself in a chair, and rocked to and fro, passing harsh judgment on my many derelictions of duty.