giving

誘拐されて手足を縛られているSharonはなんとか手を自由にしようともがいています。
She worked on, her face clammy with perspiration, he hands sticky with blood, not feeling pain any more. She felt Neil's eyes watching her. Pray, Neil.
At ten after eleven, she felt the cord weakning, giving. Summing up a last reserve of energy, Sharon pulled her hands apart. They were free; the cords were dangling from them.
この "giving" は以前（ブログの引っ越しで記録はなくなりました）取り上げた意味ですね。
・Collins Dictionary: a tendency to yield under pressure; resilience ⇒ there's bound to be some give in a long plank, ⇒ there is no give in his moral views
・Wiktionary: The act of softening, breaking, or yielding.