RADICAL • DICTIONARY ONE.COM • Definition of Radical

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/rˈædəkəl/ /rˈædɪkəl/ Listen

Radical

adjective

1.

(used of opinions and actions) far beyond the norm. Synonyms: extremist, ultra. "Radical opinions on education" , "An ultra conservative"

2.

Markedly new or introducing radical change. Synonym: revolutionary. "Radical political views"

3.

Arising from or going to the root or source.

4.

Of or relating to or constituting a linguistic root.

5.

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. Synonym: basal. "Radical leaves"

noun

1.

(chemistry) two or more atoms bound together as a single unit and forming part of a molecule. Synonyms: chemical group, group.

2.

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. Synonym: free radical.

3.

A person who has radical ideas or opinions.

4.

(mathematics) a quantity expressed as the root of another quantity.

5.

A character conveying the lexical meaning of a logogram.

6.

(linguistics) the form of a word after all affixes are removed. Synonyms: base, root, root word, stem, theme.

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WordNet 3.0 © 2010 Princeton University

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"Radical" Quotes from Famous Books

... a Low Church bishop who had gained his mitre by temperance oratory, and what his Lordship was in the cathedral, Cooper was in the suburban drawing-rooms where radical politics and the woman's cause were discussed. When he had a brief he brought it to the library to show it; he almost lived in the library. He arrived the moment it was opened, and brought a packet of sandwiches ...

— Mike Fletcher - A Novel • George (George Augustus) Moore

... three tributaries last mentioned the waters were higher than in the flood of 1902, but the general effects were of the same nature, and consisted principally of flooded lands, houses, and washouts. There were few radical cases of complete destruction like those which marked the course of the flood in the northern tributaries. The principal interest is therefore confined to the Pompton and the three highland tributaries which discharge ...

— The Passaic Flood of 1903 • Marshall Ora Leighton

... the time he had spent or the money he had wasted. Nothing had happened that in any way equipped him for his battle with Oka Sayye. Conversely, this girl, whom he had resented, whom he had criticized, who had claimed his notice only by her radical difference from the other girls, had managed, during the few minutes he had first talked with her in the hall, to wound his pride, to spur his ambition, to start him on a course that must end in lasting and material benefit to him even if he failed in making a higher record of scholarship ...

— Her Father's Daughter • Gene Stratton-Porter

... morality," said Sidney. "That chimera of meaningless virtue which the Hebrew has brought into the world is the last monster left to slay. The Hebrew view of life is too one-sided. The Bible is a literature without a laugh in it. Even Raphael thinks the great Radical of Galilee carried spirituality ...

— Children of the Ghetto • I. Zangwill

... three parties. Opponents were ranged against each other in the mother country, in the Thirteen Colonies, and in Canada. In the mother country the king and his party government were ranged against the Opposition and all who held radical or revolutionary views. Here the strife was merely political. But in the Thirteen Colonies the forces of the Crown were ranged against the forces of the new Continental Congress. The small minority of colonists who were afterwards known as the United Empire ...

— The Father of British Canada: A Chronicle of Carleton • William Wood

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