relating to the most basic and important parts of something; complete and detailed 根本的；彻底的；完全的 the need for radical changes in education 对教育进行彻底变革的需要 demands for radical reform of the law 彻底改变法律的要求 radical differences between the sexes 两性间的根本差异 This document marks a radical departure from earlier recommendations. 这份文件标志着对先前建议的完全背离。
new, different and likely to have a great effect 全新的；不同凡响的 radical ideas 不同凡响的观点 a radical solution to the problem 解决问题的全新方法 radical proposals 有创见的建议 a truly radical concept 确实激进的观念
Oxford Collocations Dictionaryverbs- be
- seem
- sound
- …
- extremely
- fairly
- very
- …
in favour of extreme and complete political or social change 激进的；极端的 the radical wing of the party 党内的激进派 radical politicians/students/writers 激进的政治人物／学生／作家
Oxford Collocations Dictionaryverbs- be
- seem
- sound
- …
- extremely
- fairly
- very
- …
- (North American English, old-fashioned, slang)
very good 很好；非常好
Word Originlate Middle English (in the senses ‘forming the root’ and ‘inherent’): from late Latin radicalis, from Latin radix, radic- ‘root’.