extreme
(adj) : of a place, the most remote, farthest or outermost; in the greatest or highest degree; intense
"at the extreme edges, the coating is very thin."
(n) : the greatest or utmost point, degree or condition; Each of the things at opposite ends of a range or scale
"extremes of temperature"
synonyms: far, furthest, distant more», outermost, remote, great, high, excessive, much, drastic, severe, dangerous, final, last, ultimate, extremity, degree, grade, level