What is the meaning of Repellent?

Repulsive, inspiring aversion.

Resistant or impervious to something.

Tending or able to repel; driving back.

A substance or solution used to repel insects, dangerous animals, or other pests.

A substance or treatment for a fabric etc to make it impervious to something.

Someone or something that repels.

third-person plural future active indicative of repellō

Source: wiktionary.org