extremist, radical, ultra
Meaning: (used of opinions and actions) far beyond the norm; "extremist political views"; "radical opinions on education"; "an ultra conservative"
Meaning: markedly new or introducing radical change; "a revolutionary discovery"; "radical political views"
Meaning: arising from or going to the root or source; "a radical flaw in the plan"
meaning of the word
group, radical, chemical_group
Meaning: (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
Meaning: 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"
Meaning: a person who has radical ideas or opinions
That is the radical way.
But you're a radical, Bell.
"Ah, that's because you're a radical.
No such departure was as radical as that of the method of crushing the ore.
There was a radical defect somewhere, and I must search it out and cure it.
Either I've misjudged him or he's suddenly become the world's worst radical."
On a question being put to him by Lin Fang, a disciple, as to what was the radical idea upon which the Rules of Propriety were based, the Master exclaimed, "Ah! that is a large question.
Also "Mac" was Peter's personal enemy; "Mac" had just returned from his organizing trip in the oil fields, and had been denouncing Peter and gossiping about him in the various radical groups.
While the economists of that day believed the conditions of poverty and misery to be inevitable, the pessimists pronounced them unendurable, and advocated a radical social change as the only hope of saving the masses from starvation.
Our friendship lasted in this manner for several years, during which my general temperament and character--through the instrumentality of the Fiend Intemperance--had (I blush to confess it) experienced a radical alteration for the worse.