What is another word for radical?

Synonyms for radical
ˈræd ɪ kəl

This thesaurus page is about all possible synonyms, equivalent, same meaning and similar words for the term radical.

Princeton's WordNet

  1. group, radical, chemical group(noun)

    (chemistry) two or more atoms bound together as a single unit and forming part of a molecule

    Synonyms:
    root, theme, root word, free radical, grouping, mathematical group, base, chemical group, group, stem

    Antonyms:
    moderate, cauline, old, incidental, incident

  2. free radical, radical(noun)

    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"

    Synonyms:
    root, theme, root word, free radical, base, chemical group, group, stem

    Antonyms:
    old, incidental, cauline, moderate, incident

  3. radical(noun)

    a person who has radical ideas or opinions

    Synonyms:
    root, theme, root word, free radical, base, chemical group, group, stem

    Antonyms:
    incident, old, moderate, incidental, cauline

  4. radical(noun)

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

    Synonyms:
    root, theme, root word, free radical, base, chemical group, group, stem

    Antonyms:
    incidental, incident, old, moderate, cauline

  5. radical(noun)

    a character conveying the lexical meaning of a logogram

    Synonyms:
    root, theme, root word, free radical, base, chemical group, group, stem

    Antonyms:
    cauline, moderate, incidental, old, incident

  6. root, root word, base, stem, theme, radical(adj)

    (linguistics) the form of a word after all affixes are removed

    "thematic vowels are part of the stem"

    Synonyms:
    al-Qaeda, idea, groundwork, al-Qaida, ascendent, base, substructure, composition, paper, fundament, motif, prow, theme, ascendant, basis, group, understructure, shank, stalk, nucleotide, report, foundation, etymon, root, subject, floor, bow, fore, topic, free radical, melodic theme, source, ancestor, foot, antecedent, musical theme, infrastructure, alkali, cornerstone, origin, pedestal, home, rootage, tooth root, stem, base of operations, radix, root word, stand, stem turn, solution, beginning, chemical group, al-Qa'ida, bag

    Antonyms:
    old, moderate, cauline, incidental, incident

  7. extremist, radical, ultra(adj)

    (used of opinions and actions) far beyond the norm

    "extremist political views"; "radical opinions on education"; "an ultra conservative"

    Synonyms:
    revolutionary, ultra, basal, extremist

    Antonyms:
    old, incident, incidental, cauline, moderate

  8. revolutionary, radical(adj)

    markedly new or introducing radical change

    "a revolutionary discovery"; "radical political views"

    Synonyms:
    revolutionary, ultra, rotatory, basal, extremist

    Antonyms:
    cauline, moderate, old, incidental, incident

  9. radical(adj)

    arising from or going to the root or source

    "a radical flaw in the plan"

    Synonyms:
    revolutionary, ultra, basal, extremist

    Antonyms:
    incidental, cauline, old, moderate, incident

  10. radical(adj)

    of or relating to or constituting a linguistic root

    "a radical verb form"

    Synonyms:
    revolutionary, ultra, basal, extremist

    Antonyms:
    old, cauline, incident, moderate, incidental

  11. radical, basal(adj)

    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"

    Synonyms:
    revolutionary, base, ultra, basal, extremist, primary

    Antonyms:
    moderate, incident, cauline, incidental, old

English Synonyms and Antonyms

  1. radical

    The widely divergent senses in which the word radical is used, by which it can be at some time interchanged with any word in the above list, are all formed upon the one primary sense of having to do with or proceeding from the root (Latin radix); a radical difference is one that springs from the root, and is thus constitutional, essential, fundamental, organic, original; a radical change is one that does not stop at the surface, but reaches down to the very root, and is entire, thorough, total; since the majority find superficial treatment of any matter the easiest and most comfortable, radical measures, which strike at the root of evil or need, are apt to be looked upon as extreme.

    Synonyms:
    complete, constitutional, entire, essential, extreme, fundamental, ingrained, innate, native, natural, organic, original, perfect, positive, primitive, thorough, thoroughgoing, total

    Antonyms:
    conservative, inadequate, incomplete, moderate, palliative, partial, slight, superficial, tentative, trial

Editors Contribution

  1. extreme or progressive section

    Submitted by anonymous on April 6, 2021  

Dictionary of English Synonymes

  1. radical(a.)

    Synonyms:
    original, fundamental, organic, constitutional

  2. radical(a.)

    Synonyms:
    primitive, underived, uncompounded, simple

  3. radical(a.)

    Synonyms:
    thorough, entire, complete, perfect

  4. radical(n.)

    Synonyms:
    come-outer, radical reformer

  5. radical(n.)

    Synonyms:
    primitive letter

  6. radical(n.)

    Synonyms:
    root, radix, etymon, primitive word

  7. radical(n.)

    Synonyms:
    (Chem.) base

Synonyms, Antonyms & Associated Words

  1. radical(a)

    Synonyms:
    original, fundamental, extreme, thorough-going, primitive

    Antonyms:
    conservative, moderate, slight, trifling, derivative

  2. radical(n)

    Synonyms:
    root, etymon, radix

How to pronounce radical?

Alex
US English
Daniel
British
Karen
Australian
Veena
Indian

How to say radical in sign language?

How to use radical in a sentence?

  1. Bernie Sanders:

    I am very proud to be Jewish, and being Jewish is so much of what I am, look, my father's family was wiped out by Hitler in the Holocaust. I know about what crazy and radical, and extremist politics mean.

  2. James R. Cook:

    The welfare system is the breeding ground of crime, addiction and radical politics.

  3. Maura Healey:

    Today's indictment is a radical and politically-motivated attack on our state and the independence of our courts.

  4. Daisuke Okanohara:

    We need more diversity to think or adapt more new, radical ideas.

  5. Prajak Kongkirati:

    They are popular and their policies are popular, they advocate change and radical reforms. So the youth who are frustrated with the stagnation of the country, they want to see a real change. And Thanathorn is kind of their hope, represents something new, speaks their own language and can connect to the youth.

Images & Illustrations of radical

  1. radical
    radical
    radical
    radical
    radical

Translations for radical

From our Multilingual Translation Dictionary

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