the person or thing in a list, series etc that comes after the person or thing you are dealing with now:
What's next on the shopping list?
the next to do something
Who will be the next to go?
the day, week etc that follows the next one:
Have you remembered it's Susie's birthday the week after next?
the one before the last one:
the next to last day of their visit
used to tell someone that it is now their turn to speak or their turn to do something
to be the next person, especially to have a job or position