I. re ‧ pel ‧ lent 1 /rɪˈpelənt/ BrE AmE adjective
very unpleasant ⇨ repulsive :
She found him physically repellent.
repellent to
The sight of blood is repellent to some people.
II. repellent 2 BrE AmE , repellant noun [uncountable and countable]
a substance that keeps insects away
insect/mosquito/bug etc repellent