stickiest
adjective
Definitions
Able or likely to stick.
Example: Is this tape sticky enough to stay on that surface?
Potentially difficult to escape from.
Example: This is a sticky situation. We could be in this for weeks if we're not careful.
Of weather, hot and windless and with high humidity, so that people feel sticky from sweating.
(of a setting) Persistent.
Example: We should make the printing direction sticky so the user doesn't have to keep setting it.