Oiliness/ˈɔɪlinəs/ Definition 1 of 4Pro Tip 1/2Negative Connotation In the context of food, 'oiliness' often implies an unpleasant excess of oil. I couldn't enjoy the pizza due to its oiliness. Pro Tip 2/2Sensory Experience 'Oiliness' can be tangible, like a slippery texture that you can feel on your fingers. The oiliness of the lotion was too much for my skin.