adverb

• Another time; once more.
• Over and above a factor of one.
• Used metalinguistically, with the repetition being in the discussion, or in the linguistic or pragmatic context of the discussion, rather than in the subject of discussion.
• Tell me again, say again; used in asking a question to which one may have already received an answer that one cannot remember.
• I ask again, I say again; used in repeating a question or statement.
• Here too, here also, in this case as well; used in applying a previously made point to a new instance; sometimes preceded by "here".
• (obsolete) Back in the reverse direction, or to an original starting point.
• Back (to a former place or state).
• (obsolete) In return, as a reciprocal action; back.
• (obsolete) In any other place.
• (obsolete) On the other hand.
• Moreover; besides; further.