Full definition of radically
Adverb
- In a radical manner; fundamentally; very.two radically different political groups
- At the root."Clot" and "clod" are radically the same word.
- 1788, Jonathan Edwards, in a report to the Connecticut Society of Arts and Sciences:This Algonquian language family is spoken by all the Indians throughout New England. Every tribe, as that of Stockbridge, that of Farmington, that of New London, &c. has a different dialect language, but the language family is radically the same.