able to be supported by reasons or arguments that show that it is right or should be allowed 可辩解的；合乎情理的；有正当理由的 Is abortion morally defensible? 堕胎从道德上讲合乎情理吗？ Is it morally defensible to deny legal advice to a prisoner? 拒绝向囚犯提供法律建议在道德上是否合理？ There is no defensible basis for this argument. 这个论点没有可辩护的依据。
(of a place 地方 able to be defended from an attack 可防御的；可守护的
Word OriginMiddle English (in the sense ‘capable of giving protective defence’): from late Latin defensibilis, from Latin defendere, from de- ‘off’ + -fendere ‘to strike’.