1. the quality or state of being covered with, containing, or resembling grease; oiliness
2. the quality of being slippery or slick due to grease or oil
3. the quality of being unpleasantly oily or smarmy in manner or appearance
Usage: informal

Examples

• The greasiness of the fast food left a film on her hands.
• The greasiness of the kitchen floor made it dangerous to walk on.
• His hair had a noticeable greasiness that required frequent washing.
• The greasiness of his smile made her uncomfortable.
• We cleaned the oven to remove the built-up greasiness.
• The mechanic's hands showed the greasiness of his work.