radical

(s) (used of opinions and actions) far beyond the norm
- extremist political views
- radical opinions on education
- an ultra conservative
extremist, ultra,
(s) markedly new or introducing radical change
- a revolutionary discovery
- radical political views
revolutionary,
(s) arising from or going to the root or source
- a radical flaw in the plan
(a) of or relating to or constituting a linguistic root
- a radical verb form
(a) especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem
- basal placentation
- radical leaves
basal,

(n) (chemistry) two or more atoms bound together as a single unit and forming part of a molecule chemical group, group,
(n) an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule that has lost an electron and will stabilize itself by stealing an electron from a nearby molecule
- in the body free radicals are high-energy particles that ricochet wildly and damage cells
free radical,
(n) a person who has radical ideas or opinions
(n) (mathematics) a quantity expressed as the root of another quantity
(n) a character conveying the lexical meaning of a logogram
(n) (linguistics) the form of a word after all affixes are removed
- thematic vowels are part of the stem
root word, stem, root, theme, base,

chemical group group extremist ultra revolutionary free radical basal root word stem root theme base

cauline

radicle

radical cell radical chic radical hysterectomy radicalism radicalize radically radical mastectomy radical sign