noun. smug self-serving earnestness.
noun. consisting of or covered with oil.
Example sentences of the word oiliness
1. Noun, singular or mass
If your skin is oily, dab it with a cotton ball dipped in lemon juice every night before bed to help keep the oiliness at bay.
2. Verb, base form
Apply the translucent powder over other areas of your face that are particularly prone to oiliness.