Definition of "Extreme" :
noun: the furthest or highest degree of something
"He carried it to extremes."
noun: the point located farthest from the middle of something
adjective: most distant in any direction
"The extreme edge of town."
adjective: of the greatest possible degree or extent or intensity
adjective: far beyond a norm in quantity or amount or degree; to an utmost degree
"An extreme example."
adjective: beyond a norm in views or actions
"An extreme conservative."