noun

• The property of sticking or adhering; adhesion.
• Warmth and humidity, as on a muggy day.
• (economics): Of prices or wages: the tendency to stay the same despite changes in the economy.
• (marketing, interface design) The presence of unique attributes that make a product indisposable and valuable to its owner.
• (advertising) A research measure that captures the extent to which viewers wish to spend more time looking at or reading a print advertisement.
• (psychology) An overemotional attachment to others; clinging in interpersonal relations; difficulty with ending conversations.