adj. stick·i·er,
stick·i·est 1. Having the property of adhering or sticking to a surface; adhesive.
2. Covered with an adhesive agent.
3. Warm and humid; muggy: a sticky day.
4. Informal Painful or difficult: a sticky situation.
5. Economics Tending to remain the same despite changes in the economy. Used of prices or wages.
6. Computers a. Of or relating to an item of software or hardware, such as an onscreen graphic or mouse button, that remains active for a brief time after being touched: sticky keys; a sticky menu.
b. Of or relating to content designed to increase the duration of visits to a website.