Loading word page…
Updated June 2026
Relating to or affecting the fundamental nature of something; far-reaching or thorough. It can also mean advocating complete political or social reform, or in mathematics, relating to the root of a number.
“The company underwent radical restructuring to improve operational efficiency.”
/ˈrædɪkəl/
rad·i·cal
Contains double A and I; watch for -AL ending
Worth 10 points; good for building with existing words
Look up radical in an authoritative dictionary for full definitions, pronunciation, and etymology.
Download Word Challenge for unlimited word puzzles, a fresh Daily Challenge, and head-to-head multiplayer. Guess the hidden word in six tries or fewer!