Most remote in any direction; outermost or farthest: the extreme edge of the field.
Being in or attaining the greatest or highest degree; very intense: extreme pleasure; extreme pain.
Extending far beyond the norm: an extreme conservative. See Synonyms at excessive.
Of the greatest severity; drastic: took extreme measures to conserve fuel.
Sports.
Very dangerous or difficult: extreme rafting.
Participating or tending to participate in a very dangerous or difficult sport: an extreme skier.
Archaic. Final; last.