a.

1. 末端的，盡頭的[Z][B]
   There's a Chinese restaurant at the extreme end of the street.

   在這條街的盡頭有一家中國餐館。

2. 極端的，極度的；最大的[Z][B]
   Your invitation gave him extreme joy.

   你的邀請使他高興極了。

   They took extreme measures to conserve fuel.

   他們採取極端的手段節約燃料。

3. 急進的；激烈的；狂熱的；偏激的
   Extreme conservatives were purged from the political organization.

   極端保守分子被清洗出那個政治組織。

n.[C]

1. 極端，末端
   We should avoid extremes.

   我們應該避免走極端。

2. 極端的事物；極端的行為（或手段）[P]
3. 極度；最大程度
   In dealing with the problem he was cautious to an extreme.

   他在處理這個問題時謹慎得過分了。

adj.

1. very great.
   ▸not usual; exceptional.
   ▸very severe or serious.
   ▸denoting or relating to a sport performed in a hazardous environment.
2. far from moderate, especially politically.
3. furthest from the centre or a given point.

n.

1. either of two things that are as different from each other as possible.
   ▸the most extreme degree:

   extremes of temperature.
2. Logic  the subject or predicate in a proposition, or the major or minor term in a syllogism.