radical
🇺🇸
/ˈrædɪkl/
🇬🇧
/ˈrædɪkl/
adjective
C1
about the most basic and important parts of something
This radical change affects the most basic parts of the system.
C1
new, different, and likely to have a big effect
We need a radical idea to solve this problem completely.
C1
in favor of extreme political or social change
The radical group wants to change society completely.
R
very good
That new game is radical!
noun
R
a person with extreme opinions
The radical called for big changes in government.
R
a group of atoms that act together in chemicals
In chemistry, a radical is a group of atoms that act as one.
translation
about the most basic and important parts of something; new, different, and likely to have a big effect; in favor of extreme political or social change; very good
a person with extreme opinions; a group of atoms that act together in chemicals
Word Forms
Plural
radicals