## Meanings
1. Involving great or complete change.
2. Supporting big political or social change, often in an extreme way.
3. A person who wants big or extreme political or social change.

## Examples
- The new manager made radical changes to the company.
- He joined a radical group that demanded an end to the government.
- As a young man he was a radical who marched in every protest.

## Synonyms
- jacobin
- jacobinic
- jacobinical

## Antonyms
- derivative
- derived

## Derived Forms
- antiradical
- biradical
- coradical
- counterradical
- deradical
- diradical
- dudical
- equiradical
- extraradical
- heteroradical
- hyperradical
- intraradical

## Related Forms
- nilradical
- radix
- root

## Roots and Affixes
- Root: radical
- Root: rādīcālis

## Etymology
PIE word *wréh₂ds Inherited from Middle English radical, from Latin rādīcālis (“of or pertaining to the root, having roots, radical”). Compare grassroots.

## Topics
- People & Society

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