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

"Extreme cold."

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."