jī​jìn

extreme

激进 (激進) jī​jìn
extreme adjective
going to great lengths or exceeding the bounds of moderation in actions, methods, or pace

The company's expansion plan was criticized for being too aggressive.

radical adjective
favoring or advocating for fundamental or far-reaching political or social reform

He joined a radical political group during his university years.

Frequency

Movie subtitles
7.18 per million appears in 3% of films
Written text
3.99 per million

Sources

Definitions
CC-CEDICT