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.
1》 either of two things that are as different from each other as possible.
↘the most ~ degree: ~s of temperature.
2》 Logic the subject or predicate in a proposition, or the major or minor term in a syllogism.
ME: via OFr. from L. extremus 'outermost, utmost', superlative of exterus 'outer'.