You may be surprised to learn that rebarbative traces back to the Latin word for "beard" - barba - making it a very distant relative of the English word beard. But there is some sense to the connection. After all, beards may not be repellent, but they can be prickly and scratchy! Another descendant of Latin barba is the English word barb, which can refer to a sharp projection (as found on barbed wire) or a biting critical remark, both of which can discourage others from getting too close.
Examples of rebarbative in a Sentence
there are aspects of that writer's personality that any reasonable person would regard as rebarbative, but we're just reading his novels—not marrying him