Definition of "Repellent" :

noun: the power to repel

"She knew many repellents to his advances."

noun: a chemical substance that repels animals

noun: a compound with which fabrics are treated to repel water

adjective: incapable of absorbing or mixing with

"A water-repellent fabric."

adjective: highly offensive; arousing aversion or disgust

"The idea of eating meat is repellent to me."

adjective: serving or tending to repel

"I find his obsequiousness repellent."