stickiest >> ˈstɪki
Definition: [adjective] tending or designed to stick to things on contact.
Example: sticky cakes and pastries
Definition: [adjective] (of the weather) hot and humid; muggy.
Example: it was an unusually hot and sticky summer
Definition: [adjective] involving problems; difficult or awkward.
Example: the relationship is going through a sticky patch
Definition: [adjective] (of a website or its content) attracting a long visit or repeat visits from users.
Example: make your site as sticky as possible to keep visitors there longer