RADICAL: Synonyms and Related Words. What is Another Word for RADICAL?

Need another word that means the same as “radical”? Find 75 synonyms and 30 related words for “radical” in this overview.

The synonyms of “Radical” are: extremist, ultra, basal, revolutionary, thoroughgoing, thorough, complete, total, entire, absolute, utter, comprehensive, exhaustive, sweeping, wide-ranging, extensive, profound, drastic, severe, serious, major, desperate, stringent, violent, forceful, rigorous, draconian, fundamental, basic, essential, quintessential, progressive, reformist, revisionist, unusual, irregular, unorthodox, unfamiliar, uncommon, uncustomary, unwonted, rare, out of the ordinary, atypical, singular, distinctive, individual, individualistic, alternative, different, excellent, wonderful, marvellous, magnificent, superb, splendid, glorious, sublime, lovely, delightful, first-class, first-rate, outstanding, free radical, base, root, root word, stem, theme, chemical group, group, reformer

Radical as a Noun

Definitions of "Radical" as a noun

According to the Oxford Dictionary of English, “radical” as a noun can have the following definitions:

• 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.
• The root or base form of a word.
• Two or more atoms bound together as a single unit and forming part of a molecule.
• The form of a word after all affixes are removed.
• A quantity forming or expressed as the root of another.
• (mathematics) a quantity expressed as the root of another quantity.
• (linguistics) the form of a word after all affixes are removed.
• A character conveying the lexical meaning of a logogram.
• A person who has radical ideas or opinions.
• Any of the basic set of approximately 214 Chinese characters constituting semantically or functionally significant elements in the composition of other characters and used as a means of classifying characters in dictionaries.
• A person who advocates thorough or complete political or social change, or a member of a political party or section of a party pursuing such aims.
• A group of atoms behaving as a unit in a number of compounds.
• (chemistry) two or more atoms bound together as a single unit and forming part of a molecule.
• A quantity expressed as the root of another quantity.
• A radical sign.

Synonyms of "Radical" as a noun (12 Words)

base	A known line used as a geometrical base for trigonometry. She sat down at the base of a tree.
chemical group	Material produced by or used in a reaction involving changes in atoms or molecules.
free radical	People who are free.
group	A combination of atoms having a recognizable identity in a number of compounds. I ve always been a fan of the guitarists in the group.
progressive	A progressive tense or aspect. The present progressive.
reformer	An apparatus that reforms the molecular structure of hydrocarbons to produce richer fuel. A catalytic reformer.
revisionist	A person with a revised attitude to a previously accepted situation or point of view. The revisionists who sought to replace it were long denied.
revolutionary	A person who advocates or engages in political revolution.
root	Any plant grown for its root. In the sequence the roots of the chords drop by fifths.
root word	A number that, when multiplied by itself some number of times, equals a given number.
stem	Cylinder forming a long narrow part of something. The Hellenic tribes were derived from the Aryan stem.
theme	(linguistics) the form of a word after all affixes are removed. His letters were always on the theme of love.

Usage Examples of "Radical" as a noun

• In the body free radicals are high-energy particles that ricochet wildly and damage cells.

Radical as an Adjective

Definitions of "Radical" as an adjective

According to the Oxford Dictionary of English, “radical” as an adjective can have the following definitions:

• Very good; excellent.
• Relating to or forming the root of a number or quantity.
• Arising from or going to the root or source.
• Advocating or based on thorough or complete political or social change; representing or supporting an extreme or progressive section of a political party.
• Denoting or relating to the roots of a word.
• Characterized by independence of or departure from tradition; innovative or unorthodox.
• Of, or springing direct from, the root or stem base of a plant.
• Belonging to an extreme section of the Liberal party during the 19th century.
• Of or relating to or constituting a linguistic root.
• (used of opinions and actions) far beyond the norm.
• Far beyond the norm.
• 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.
• Markedly new or introducing radical change.
• Belonging to the root of a chord.
• (especially of change or action) relating to or affecting the fundamental nature of something; far-reaching or thorough.
• (of surgery or medical treatment) thorough and intended to be completely curative.
• Forming an inherent or fundamental part of the nature of someone or something.

Synonyms of "Radical" as an adjective (63 Words)

absolute	(of a construction) syntactically independent of the rest of the sentence, as in dinner being over, we left the table. Absolute secrecy.
alternative	(of one or more things) available as another possibility or choice. Alternative possibilities were neutrality or war.
atypical	Deviating from normal expectations; somewhat odd, strange, or abnormal. Atypical pneumonia.
basal	Of primary importance. The plant grows huge basal leaves.
basic	(of rock, especially lava) relatively poor in silica. A basic fact.
complete	Perfect and complete in every respect having all necessary qualities. The harvesting was complete.
comprehensive	(of motor-vehicle insurance) providing cover for most risks, including damage to the policyholder’s own vehicle. A comprehensive school.
delightful	Causing delight; charming. A delightful surprise.
desperate	Desperately determined. A desperate need for recognition.
different	Marked by dissimilarity. Each interviewed different members of the community.
distinctive	Of a feature that helps to distinguish a person or thing. Juniper berries give gin its distinctive flavour.
draconian	(of laws or their application) excessively harsh and severe. The Nazis destroyed the independence of the press by a series of draconian laws.
drastic	Forceful and extreme and rigorous. A drastic reduction of staffing levels.
entire	Constituting the undiminished entirety lacking nothing essential especially not damaged Bacon. An entire town devastated by an earthquake.
essential	Absolutely necessary; vitally necessary. It is essential to keep up to date records.
excellent	Extremely good; outstanding. Their results are excellent.
exhaustive	Including or considering all elements or aspects; fully comprehensive. An exhaustive study.
extensive	Broad in scope or content- T.G.Winner. An extensive collection of silver.
extremist	Far beyond the norm. Extremist political views.
first-class	Very good;of the highest quality.
first-rate	Of the highest quality.
forceful	Forceful and definite in expression or action. Forceful measures.
fundamental	Affecting or relating to the essential nature of something or the crucial point about an issue. Interpretation of evidence is fundamental to the historian s craft.
glorious	Having a striking beauty or splendour. A long and glorious career.
individual	Of or for a particular person. They went their individual ways.
individualistic	With minimally restricted freedom in commerce. Her work is quirky and genuinely individualistic.
irregular	Deviating from normal expectations; somewhat odd, strange, or abnormal. Their involvement in irregular financial dealings.
lovely	Lovable especially in a childlike or naive way. Lovely views.
magnificent	Extremely beautiful, elaborate, or impressive. A dramatic landscape of magnificent mountains.
major	Of an interval equivalent to that between the tonic and another note of a major scale and greater by a semitone than the corresponding minor interval. Major highways.
marvellous	Extraordinarily good or great ; used especially as intensifiers. These marvellous technological toys are fun to play with.
out of the ordinary	No longer fashionable.
outstanding	Distinguished from others in excellence. Einstein was one of the outstanding figures of the 20th centurey.
profound	(of a subject or idea) demanding deep study or thought. The differences are profound.
progressive	Engaging in or constituting forward motion. Progressive bands like Black Sabbath and the Edgar Broughton Band.
quintessential	Representing the perfect example of a class or quality. He was the quintessential tough guy strong silent and self contained.
rare	(of an event, situation, or condition) not occurring very often. A rare appearance.
reformist	Supporting or advancing gradual reform rather than abolition or revolution. The reformist policies of the government.
revisionist	Advocating a policy of revision or modification. A radically revisionist republican strategy.
revolutionary	Of or relating to or characteristic or causing an axial or orbital turn. A revolutionary new drug.
rigorous	Demanding strict attention to rules and procedures. Rigorous discipline.
serious	Acting or speaking sincerely and in earnest, rather than in a joking or half-hearted manner. A serious student of history.
severe	Severely simple. The charges would have warranted a severe sentence.
singular	Relating to or of the nature of singularity. A singular example.
splendid	Very good; of the highest quality. His robes were splendid.
stringent	(of regulations, requirements, or conditions) strict, precise, and exacting. Stringent guidelines on air pollution.
sublime	Inspiring awe. A sense of the sublime.
superb	Used in names of birds with attractive or colourful plumage e g superb lyrebird. A superb actor.
sweeping	Taking in or moving over (or as if over) a wide area; often used in combination. Sweeping generalizations.
thorough	Without qualification; used informally as (often pejorative) intensifiers. Thoroughgoing research.
thoroughgoing	Without qualification; used informally as (often pejorative) intensifiers. A thoroughgoing chocoholic.
total	Complete in extent or degree and in every particular. A total disaster.
ultra	(used of opinions and actions) far beyond the norm. An ultra conservative.
uncommon	Marked by an uncommon quality especially superlative or extreme of its kind. An uncommon sense of humor.
uncustomary	Not according to custom or the usual or habitual practice; unusual. An uncustomary tactical error.
unfamiliar	Not known or recognized. He felt a stranger among the crowd of unfamiliar faces.
unorthodox	Independent in behavior or thought. An unorthodox lifestyle.
unusual	Being definitely out of the ordinary and unexpected; slightly odd or even a bit weird. A scene of unusual beauty.
unwonted	Out of the ordinary. There was an unwonted gaiety in her manner.
utter	Complete; absolute. Charlotte stared at her in utter amazement.
violent	Marked by extreme intensity of emotions or convictions inclined to react violently fervid. A violent clash of colors.
wide-ranging	Including much.
wonderful	Extraordinarily good or great ; used especially as intensifiers. The climate was wonderful all the year round.

Usage Examples of "Radical" as an adjective

• A radical flaw in the plan.
• A radical verb form.
• Radical opinions on education.
• A radical overhaul of the existing regulatory framework.
• Okay, then. Seven o'clock. Radical!
• Radical political views.
• Radical leaves.
• A radical American activist.
• The assumption of radical differences between the mental attributes of literate and non-literate peoples.
• The daring, avant-garde spirit of the music was too radical for the conservative audience.

Associations of "Radical" (30 Words)

activism	The policy or action of using vigorous campaigning to bring about political or social change. Growing activism on the abortion issue.
activist	Advocating or engaged in activism. A green leaning activist magazine.
basic	Having the properties of a base, or containing a base; having a pH above 7. These salts yield basic solutions comparable in strength with the mineral alkalis.
communism	A theory or system of social organization in which all property is owned by the community and each person contributes and receives according to their ability and needs.
communist	A member of the communist party. Communist governments.
crusader	A warrior who engages in a holy war. Crusaders for early detection and treatment of mental illnesses.
demonstration	A show or display; the act of presenting something to sight or view. Demonstrations against the poll tax.
feminism	The advocacy of women’s rights on the ground of the equality of the sexes.
feminist	Of or relating to or advocating equal rights for women. Feminist literature.
fundamental	A fundamental note tone or frequency. Two courses cover the fundamentals of microbiology.
ideology	Imaginary or visionary theorization. A critique of bourgeois ideology.
innovative	(of a product, idea, etc.) featuring new methods; advanced and original. Is British industry innovative enough.
lawmaker	A maker of laws; someone who gives a code of laws. The game s official lawmakers are preparing the new legislation.
liberal	Given or giving freely. The provision of liberal adult education.
libertarian	An advocate of libertarianism. No true libertarian would ever support a culture where citizens must show their papers to travel.
matriarchy	The state of being an older, powerful woman in a family or group. She cherished a dream of matriarchy catered to by grandchildren.
misogynist	Relating to or characteristic of a misogynist. A misogynist attitude.
pacifist	Holding the belief that war and violence are unjustifiable. She was a committed pacifist all her life.
progressive	A progressive tense or aspect. Classic progressive albums.
proletariat	Working-class people regarded collectively (often used with reference to Marxism. The growth of the industrial proletariat.
protest	The act of protesting a public often organized manifestation of dissent. The many protestations did not stay the execution.
reformer	An apparatus that reforms the molecular structure of hydrocarbons to produce richer fuel. A radical social reformer.
reformist	A disputant who advocates reform. The reformist policies of the government.
revolution	(in Marxism) the class struggle which is expected to lead to political change and the triumph of communism. Near the solar equator the sun takes about 26 days to complete one revolution.
revolutionary	Relating to a particular revolution, especially the War of American Independence. The revolutionary army.
sexist	A person with sexist views. Old fashioned sexist attitudes.
socialist	Advocating or following the socialist principles. She was a lifelong socialist.
stronghold	A place where a particular cause or belief is strongly defended or upheld. A Labour stronghold.
suffragette	A woman seeking the right to vote through organized protest.
suffragist	A person advocating that the right to vote be extended to more people, especially to women.