flexibility的形容词是flexible。
flexible
adj. 灵活的;柔韧的;易弯曲的
The talks can succeed if both sides are flexible and serious.
如果双方都灵活并且认真,这些会谈就能成功。
flexibility
n. 灵活性;弹性;适应性
The flexibility of distance learning would be particularly suited to busy managers.
远程学习的灵活性尤其会适合忙碌的经理们。