CONTINUING › used to say that something is continuing to happen now or that someone is continuing to do something now: He's still here if you want to speak to him. Do you still play basketball?
POSSIBLE › used to say that something continues to be possible: We could still catch the train if we leave now.
EMPHASIS › used to emphasize that you did not expect something to happen because something else makes it surprising: He didn't do much work but still came top of the class. The weather was terrible. Still, we had a good holiday.
better/harder/worse, etc still › better/harder/worse, etc than something else