a.

1. 擊退的；驅除的；抵禦的；排斥的
   a mosquito-repellent spray

   一種驅蚊噴霧劑

2. 令人厭惡的；令人反感的[（+to）]
   The idea of doing that is repellent to him.

   一想到做那種事他就噁心。

3. 防水的

n.[U][C]

1. 防水劑
2. 驅蟲劑

adj.

1. able to repel a particular thing; impervious to:
   water-repellent nylon.
2. causing disgust or distaste.

n.