radicalness Definition

radical
adj

1. Concerning or relating to the basic nature or root of something; fundamental; intrinsic.
2. Far-reaching; thoroughgoing.

Example: radical changes
Thesaurus: fundamental, profound, thoroughgoing, basic, intrinsic, deep-rooted, extreme.
3. In favour of or tending to produce thoroughgoing or extreme political and social reforms.
4. Relating to a political group or party in favour of extreme reforms.
5. medicine.
Said of treatment: with the purpose of removing the source of a disease.
Example: radical surgery
6. bot.
From or relating to the root of a plant.
7. math.
Relating to the root of a number.
8. linguistics.
Relating to the roots of words.
9. slang
Fine, excellent; radically and admirably up to date. Often shortened to rad (see rad¹ adj).

noun

1. A root or basis in any sense.
2. Someone who is a member of a radical political group, or who holds radical political views.

Thesaurus: extremist, leftist, rebel, militant, insurgent, insurrectionist, revolutionary, terrorist.
3. chem.
Within a molecule: a group of atoms which remains unchanged during a series of chemical reactions, but is normally incapable of independent existence.
Example: free radical
4. math.
The root of a number, usually denoted by the radical sign (Ö).
5. linguistics.
The root of a word.

Derivative: radicalism

The beliefs and opinions of radicals, especially a set of ideas which advocates more substantial social and political change than is supported by the political mainstream.

Extreme thoroughness.

Derivative: radically
adverb

Derivative: radicalness
noun

Etymology: 14c: from Latin radicalis, from radix root.