Radical

//ˈɹædɪkəl//

Synonyms for "radical" (504 found)

Ranked by relevance and common usage.

Closest matches (101)

basic fundamental primitive revolutionary root ultra ab ovo aboriginal absolute accidence acid acidity advanced affix affixation agent agitator algorismic algorithmic aliquot

Show 72 more words

Adjective(6 words)

a+a-plus acceptable awesome bad bully

Adjective(1 words)

basal

Noun(2 words)

base chemical group

Strong matches (151)

Show 112 more words

dimer downright dramatic drastic dyad dyed-in-the-wool egregious element elemental elementary embryonic emendatory enclitic entire equation essential even exhaustive exponential extreme extreme left-winger extremist extremistic fabian fanatic fanatical far out figural figurate figurative finite floor flooring fond footing formative formula foundation foundational fractional free form free radical fundament furthest generative genesis genetic germinal gospel side gradualistic grammalogue grass roots greatest ground grounds groundwork group gut hardpan head heavy chemicals heptad heterocycle hexad hieratic symbol hieroglyph hieroglyphic hieroglyphics high polymer hiragana homocycle homopolymer hydracid ic analysis ideogram ideograph imaginary immediate constituent analysis immoderate impair impossible in embryo in ovo inception infinite infix infixation inflection inherent inorganic chemical insurgent insurrectionary insurrectionist integral intensive intrinsic ion irrational isomer jacobin kana katakana kekule formula labial larboard lattice left left hand left wing left winger left-hand left-hand side

Adjective(15 words)

dandy def excellent fantastic finger-lickin' good fireball fundamental good grouse gucci jacobin jacobinic jacobinical killer lash

Adjective(1 words)

extremist

Noun(3 words)

firebrand free radical group

Related words (252)

Show 215 more words

molecule monad monomer morph morpheme morphemic analysis morphemics morphology morphophonemics most natural near near side negative neutralizer nigh nihilist nihilistic nonacid nonconformist numeral numerary numerative numeric numerical octad odd of the essence ogham omnibus omnipresent ordinal organic organic chemical origin original origination out of this world out-and-out outright oxyacid pair paradigm parlor bolshevik parlor pink pavement pentad perfect pervasive phonetic phonetic symbol pictogram pictograph pink pinko pivotal plain plumb polymer port port tack portside positive possible prefix prefixation pregnant primal primary prime primeval primordial principal principle pristine proclitic profound progressionist progressist progressive progressivist protogenic provenance provenience pseudoisomer pure rabid radical sign radix rational reagent real rebel reciprocal red reformational reformative reformatory reformer reformist reformistic regular revisional revisionist revisory revolutional revolutionist revulsionary revulsive ring riprap rise rock bottom rooted rudiment rudimentary rune sans culotte sans-culotte schismatic seat secessionist sectary seminal separatist severe sheer shorthand side chain sill simple radical sinister sinistral sinistrocerebral sinistrocular sinistrogyrate sinistrorse solid ground solid rock source space-lattice stem stereobate stock straight straight chain stylobate submultiple substantial substantive substratum substruction substructure subversive suffix suffixation sulfacid surd sweeping syndicalist taproot terra firma terrorist tetrad theme thorough thoroughgoing through and through through-and-through tolerant too much total transcendental transilient triad trimer ubiquitous ultra-ultra ultraconservative ultraist ultraistic unconditional underbuilding undercarriage undergirding underground underlying underpinning understruction understructure universal unmitigated unqualified unreserved unrestricted utmost utopian utopist utter uttermost veritable verso visionary vital way out wedge wholesale wide wobbly word formation word letter word-formation wrong side yippie zealot

Adjective(10 words)

lit peng phat primitive rad sick top shelf topping wicked wonderful

Adjective(2 words)

revolutionary ultra

Noun(5 words)

root root word signific stem theme

Related word relations

OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.

14 relation types

More general

17 entries

actor amount atom building block character descriptor doer form graph grapheme graphic symbol measure quantity signifier unit word form

Showing 16 of 17 words.

Antonyms

4 entries

cauline derivative ignorable reactionary

Synonyms

7 entries

free radical fundamental group primitive revolutionary root ultra

Related terms

3 entries

nilradical radix root

capable of

1 entries

father revolution

coordinate

4 entries

coronal dorsal labial laryngeal

derived

83 entries

Artinian radical Baer radical Bring radical Brown–McCoy radical Jacobson radical Kangxi radical Köthe radical Levitzki radical aminoxyl radical aminyl radical antiradical biradical coradical counterradical

Showing 16 of 83 words.

derived from

1 entries

han

etymologically related_to

1 entries

radix

has context

18 entries

1980s 1990s algebra arithmetic botany chemistry commutative algebra historical 19th century britain historical early 20th century france lexicography linguistics math mathematics number theory organic chemistry phonetics phonology

Showing 16 of 18 words.

is a

4 entries

character measure person sign

part of

1 entries

ideogram

related to

27 entries

atom awesome basic commutative covalent bond far reaching free radical fundamental ideal integer intersection intrinsic logographic module nilradical phonetic

Showing 16 of 27 words.

similar

5 entries

basic immoderate labial new

Translations

189 translations across 38 languages.

Arabic

2 entries

جَذْريّ adj (pertaining to the root (of a plant))
رَادِيكَالِيّ noun (person with radical opinions)

Armenian

2 entries

արմատական adj (pertaining to the root (of a plant))
հիմնարար adj (pertaining to the basic or intrinsic nature of something)

Azerbaijani

1 entries

radikal adj (favouring fundamental change)

Belarusian

2 entries

радыка́л noun (person with radical opinions)
радыка́лка noun (person with radical opinions)

Bulgarian

4 entries

за коренуване adj (mathematics: involving roots)
коренен adj (pertaining to the root (of a plant))
коренен adj (linguistics: pertaining to the root of a word)
основен adj (pertaining to the basic or intrinsic nature of something)

Catalan

4 entries

radical adj (pertaining to the root (of a plant))
radical adj (favouring fundamental change)
radical noun (person with radical opinions)
radical noun (linguistics: portion of a character that provides an indication of its meaning)

Chinese Mandarin

4 entries

根本的 adj (pertaining to the basic or intrinsic nature of something)
根的 adj (pertaining to the root (of a plant))
根部的 adj (pertaining to the root (of a plant))
詞根的 /词根的 adj (linguistics: pertaining to the root of a word)

Czech

3 entries

radikální adj (thoroughgoing)
radikál noun (person with radical opinions)
radikál noun (organic chemistry: free radical)

Danish

1 entries

radikal adj (favouring fundamental change)

Dutch

1 entries

radicaal noun (chemistry: group of atoms that take part in reactions as a single unit)

Estonian

1 entries

kirjamärk noun (linguistics: portion of a character that provides an indication of its meaning)

Finnish

4 entries

huima adj (slang: excellent)
juuri adj (pertaining to the root (of a plant))
juuri adj (mathematics: involving roots)
mullistava adj (thoroughgoing)

French

4 entries

génial adj (slang: excellent)
radical adj (pertaining to the root (of a plant))
radical adj (pertaining to the basic or intrinsic nature of something)
radical adj (thoroughgoing)

German

4 entries

Wurzel adj (mathematics: involving roots)
krass adj (slang: excellent)
radikal adj (thoroughgoing)
radikal adj (favouring fundamental change)

Greek

3 entries

ριζικός adj (thoroughgoing)
ριζοσπαστικός adj (favouring fundamental change)
ριζοσπάστης noun (person with radical opinions)

Hebrew

4 entries

יסודי adj (pertaining to the basic or intrinsic nature of something)
רָדִיקָלִי adj (favouring fundamental change)
רָדִיקָלִית adj (favouring fundamental change)
שורשי adj (pertaining to the basic or intrinsic nature of something)

Hindi

4 entries

अतिवादी adj (favouring fundamental change)
इंतहापसंद adj (favouring fundamental change)
उग्रवादी adj (favouring fundamental change)
चरमपंथी adj (favouring fundamental change)

Indonesian

4 entries

radikal adj (pertaining to the basic or intrinsic nature of something)
radikal adj (favouring fundamental change)
radikal adj (linguistics: pertaining to the root of a word)
radikal adj (chemistry: involving free radicals)

Italian

4 entries

irrazionale adj (mathematics: involving roots)
radicale adj (pertaining to the root (of a plant))
radicale adj (linguistics: pertaining to the root of a word)
radicalico adj (chemistry: involving free radicals)

Japanese

4 entries

徹底的な adj (thoroughgoing)
抜本的な adj (favouring fundamental change)
根本的な adj (pertaining to the basic or intrinsic nature of something)
急進派 noun (person with radical opinions)

Kazakh

3 entries

радикалдық adj (favouring fundamental change)
түбегейлі adj (pertaining to the basic or intrinsic nature of something)
радикал noun (person with radical opinions)

Khmer

2 entries

រ៉ាឌីកាល់ noun (arithmetic: root (of a number or quantity))
រ៉ាឌីកាល់ noun (chemistry: group of atoms that take part in reactions as a single unit)

Korean

2 entries

급진파 noun (person with radical opinions)
부수 noun (linguistics: portion of a character that provides an indication of its meaning)

Latvian

1 entries

iracionāls adj (mathematics: involving roots)

Malay

1 entries

radikal noun (linguistics: portion of a character that provides an indication of its meaning)

Māori

4 entries

tohutumu adj (linguistics: pertaining to the root of a word)
whakawhana adj (favouring fundamental change)
wāwāhi tahā adj (favouring fundamental change)
kaiwhakatuma noun (person with radical opinions)

Norwegian Bokmål

1 entries

radikal adj (favouring fundamental change)

Norwegian Nynorsk

1 entries

radikal adj (favouring fundamental change)

Persian

1 entries

رادیکال adj (favouring fundamental change)

Polish

4 entries

radykalny adj (thoroughgoing)
radykalny adj (favouring fundamental change)
rodnik adj (chemistry: involving free radicals)
klucz noun (linguistics: portion of a character that provides an indication of its meaning)

Portuguese

4 entries

radical adj (pertaining to the basic or intrinsic nature of something)
radical adj (favouring fundamental change)
radical adj (linguistics: pertaining to the root of a word)
radical adj (chemistry: involving free radicals)

Romanian

2 entries

de rădăcină adj (pertaining to the root (of a plant))
rădăcinal adj (pertaining to the root (of a plant))

Russian

4 entries

коренной adj (favouring fundamental change)
корнево́й adj (pertaining to the root (of a plant))
корнево́й adj (linguistics: pertaining to the root of a word)
основно́й adj (pertaining to the basic or intrinsic nature of something)

Swedish

1 entries

radikal adj (mathematics: involving roots)

Tagalog

2 entries

mulipon noun (chemistry: group of atoms that take part in reactions as a single unit)
pang-ugat noun (arithmetic: root (of a number or quantity))

Turkmen

1 entries

kök noun (arithmetic: root (of a number or quantity))

Ukrainian

3 entries

радика́льний adj (favouring fundamental change)
радика́л noun (person with radical opinions)
радика́лка noun (person with radical opinions)

Vietnamese

1 entries

bộ thủ noun (linguistics: portion of a character that provides an indication of its meaning)

Sample sentences

17 total sentences available.

Tatoeba + Wiktionary

His argument is more radical than yours.

Source: tatoeba (17273)

Some Blacks seek more radical solutions.

Source: tatoeba (27235)

You'd better leave off such a radical idea.

Source: tatoeba (49818)

For this design house it was an appropriate strategy to introduce even more radical colors into computer production.

Source: tatoeba (50238)

Showing 4 of 17 available sentences.

More for "radical"

Meaning Antonyms Sentences Word Type

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.