relating to the most basic and important parts of something; complete and detailed 根本的；徹底的；完全的 the need for radical changes in education 對教育進行徹底變革的需要 demands for radical reform of the law 徹底改變法律的要求 radical differences between the sexes 兩性間的根本差異 This document marks a radical departure from earlier recommendations. 這份文件標志着對先前建議的完全背離。
new, different and likely to have a great effect 全新的；不同凡響的 radical ideas 不同凡響的觀點 a radical solution to the problem 解決問題的全新方法 radical proposals 有創見的建議 a truly radical concept 確實激進的觀念
Oxford Collocations Dictionaryverbs- be
- seem
- sound
- …
- extremely
- fairly
- very
- …
in favour of extreme and complete political or social change 激進的；極端的 the radical wing of the party 黨内的激進派 radical politicians/students/writers 激進的政治人物／學生／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’.