Sticky

1
Tending to stick; able to adhere via the drying of a viscous substance.
Is this tape sticky enough to stay on that surface?
Similar
claggy
2
Difficult, awkward.
This is a sticky situation. We could be in this for weeks if we're not careful.
3
Of a death: unpleasant, grisly.
Salmond studied medieval Scottish history as well as economics at university so he cannot say he has not had fair warning – it was even more turbulent and bloody than England at that time – and plenty of Scotland's kings and leaders came to a sticky end. If it happens this time, it won't be dull.

1
A sticky note, such as a post-it note.
Her desk is covered with yellow stickies.
2
A discussion thread fixed at the top of the list of topics or threads so as to keep it in view.
3

1
to fix a thread at the top of the list of topics or threads so as to keep it in view.

Definitions