sticky
adjective
°Able or likely to stick.
"Is this tape sticky enough to stay on that surface?"
°Potentially difficult to escape from.
"This is a sticky situation. We could be in this for weeks if we're not careful."
noun
°A sticky note, such as a post-it note.
°A small adhesive particle found in wastepaper.
verb
°(internet bulletin boards) to fix a thread at the top of the list of topics or threads so as to keep it in view.