名詞 extreme:

1. the furthest or highest degree of something
2. the point located farthest from the middle of something
   同義詞：extreme point, extremum

形容詞 extreme:

1. of the greatest possible degree or extent or intensity
   同義詞：utmost, uttermost
2. far beyond a norm in quantity or amount or degree; to an utmost degree
3. beyond a norm in views or actions
4. most distant in any direction

1. Extreme poverty had reduced them to a state of apathy.
   極端的貧困使他們?nèi)f念俱灰。
2. The capital is in the extreme south of the country.
   首都在這個國家的最南端。
3. His political views are rather extreme.
   他的政治觀點相當極端。
4. She's been generous in the extreme.
   她一直非?？犊?。
5. Love and hate are extremes.
   愛和恨是兩個極端。

ex.treme

adj.（形容詞）
Most remote in any direction; outermost or farthest:
最遠的，極端的：在任何方向上都是最遠的；最外的或最遠的：
例句：
the extreme edge of the field.
原野的盡頭

Being in or attaining the greatest or highest degree; very intense:
極度的：在或到達最大或最高程度的；極度的：
例句：
extreme pleasure; extreme pain.
極度高興；疼痛之極

Extending far beyond the norm:
過分的，過度的：遠遠超出正常標準的：
例句：
an extreme conservative.See Synonyms at excessive
極端的保守主義者參見 excessive

Of the greatest severity; drastic:
極度嚴格的；嚴峻的：
例句：
took extreme measures to conserve fuel.
以嚴厲措施來保存燃料

Archaic Final; last.
【古語】 最后的；最終的
n.（名詞）
The greatest or utmost degree or point.
極端，極度：最大或極限的程度或終點
Either of the two things situated at opposite ends of a range:
兩極端：處于某一范圍中對立點上的兩種事物之一：
例句：
the extremes of boiling and freezing.
沸點和凝固點的兩極端

An extreme condition.
極端的狀況
An immoderate, drastic expedient:
極端措施，非常手段：極端的、激烈的權(quán)宜之計：
例句：
resorted to extremes in the emergency.
在緊急狀態(tài)下訴諸非常手段

Mathematics
【數(shù)學(xué)】
The first or last term of a ratio or a series.
首項，末項：比率或數(shù)列中第一個或最后一個項
A maximum or minimum value of a function.
極大值，極小值：函數(shù)的最大值或最小值
Logic The major or minor term of a syllogism.
【邏輯學(xué)】 大前提，小前提：三段論中的大前提或小前提

來源：
Middle English
中古英語
from Old French
源自 古法語
from Latin extrômus * see eghs
源自 拉丁語 extrômus *參見 eghs

【引伸】
extreme.ly
adv.（副詞）
extreme.ness
n.（名詞）