adjective
Definition: Referring to something that comes immediately after the current one in time, order, or position.
Example: I will see you next week for our meeting.
adverb
Definition: In the time, order, or place that comes immediately after the present one.
Example: I will see you next week.
noun
Definition: The one that comes immediately after the current one in order or sequence.
Example: She will be the next to speak at the meeting.
preposition
Definition: Nearest or adjacent to something in position or time.
Example: The store is next to the bank.