Repellent - definition of repellent by The Free Dictionary
or re•pel•lant. (rɪˈpɛl ənt) adj. 1. causing distaste or aversion; repulsive. 2. serving or tending to ward off or drive away. 3. impervious or resistant to something (often used in combination): moth-repellent. n. 4. something that repels, as a substance that keeps away insects.