1) a supply in excess of demand (glut)
to a very large degree; very much
in addition
kept for use when needed; additional to what is being or will be used; a spare part (for a machine or engine); (to agree) to avoid hurting, punishing, destroying, (a person, building etc)
extra, reserve
more than is needed or wanted
extra, unnecessary
an amount (of money, goods etc) that remains after needs have been supplied
extra