(~s)
Note: The spelling 'repellant' is also used for meaning 2.
1.
If you think that something is horrible and disgusting you can say that it is ~. (FORMAL)
...a very large, very ~ toad...
ADJ
2.
Insect ~ is a product containing chemicals that you spray into the air or on your body in order to keep insects away.
...mosquito ~.
N-MASS: usu n N