Entry 4 senses · 2 variants Webster, 1913 Repellent /(-lent)/ · Re·pel·lent · IPA /ɹəˈpɛlənt/ a. n. 01 a. Driving back; able or tending to repel. 1. Driving back; able or tending to repel. 02 n. That which repels. 1. That which repels. 2. A remedy to repel from a tumefied part the fluids which render it tumid.(Med.) 3. A kind of waterproof cloth.