Tending to adhere; tacky or gluey on the surface.

Hot, humid, and airless so skin feels sweaty.

Difficult or awkward to handle; tricky.

Resistant to change; slow or reluctant to adjust.

So engaging that users stay or return.

Fixed at the top of a list to remain visible.

Configured to appear on all virtual desktops.

A sticky note, such as a Post-it.

A discussion thread pinned at the top.

A sweet dessert wine. (chiefly AU/NZ)

To pin a discussion thread to the top.

A member of the Official Irish Republican Army.