adverb
in a different or additional manner or place
or else
used to say what will happen if something is not done
used to say what another possibility is
informal - used in angry speech to express a threat without saying exactly what the threat is
adjective
used to refer to a different or additional person or thing
nothing else for it
something else
what else is new?
informal - used to say that you are not surprised by something you have been told