radically

American

[rad-ik-lee] / ˈræd ɪk li /

adjective

with regard to origin or root.
in a complete or basic manner; thoroughly; fundamentally.

radically British

/ ˈrædɪkəlɪ /

adverb

thoroughly; completely; fundamentally

to alter radically

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

nonradically adverb

Etymology

Origin of radically

First recorded in 1600–10; radical + -ly

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Since the 2000s the city's planners have been preoccupied with building more utilitarian infrastructure, with new sea bridges and coastal roads, radically transforming how the city looks today.

From BBC • Apr. 3, 2026

The loudest voices in the artificial intelligence debate are getting it wrong: AI isn’t going to radically transform the economy overnight.

From Barron's • Mar. 27, 2026

At Anthropic, CEO Dario Amodei has taken a radically different approach and placed his chips on fewer bets.

From The Wall Street Journal • Mar. 21, 2026

“It’s no secret that the news business is changing radically, and that we need to change along with it,” they wrote.

From Los Angeles Times • Mar. 20, 2026

Small wonder I did not recognize him at first; his appearance and speech were radically changed.

From "The Shakespeare Stealer" by Gary L. Blackwood

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023