Having the effect of repelling, physically or morally; having power to repel; able or tending to repel; repulsive.
Specifically, capable of repelling water; water-proof: as, repellent cloth or paper.
noun.
In medicine, an agent which is used to prevent or reduce a swelling. Astringents, ice, cold water, etc., are repellents.
noun.
A kind of water-proof cloth.