radical

Describes something that is very new and different from what is traditional or ordinary; can also refer to fundamental or extreme changes.

ruОписывает что-то очень новое и отличающееся от традиционного или обычного; также может относиться к фундаментальным или крайним изменениям.esDescribe algo muy nuevo y diferente de lo tradicional o habitual; también puede referirse a cambios fundamentales o extremos.frDécrit quelque chose de très nouveau et différent de ce qui est traditionnel ou habituel ; peut aussi se rapporter à des changements fondamentaux ou extrêmes.deBeschreibt etwas, das sehr neu ist und von Traditionellem oder Gewohntem abweicht; kann sich auch auf grundlegende oder extreme Veränderungen beziehen.ptDescreve algo muito novo e diferente do tradicional ou usual; também pode se referir a mudanças fundamentais ou extremas.zh指非常新颖、与传统或常规截然不同的；也可指根本性的或极端的改变。arيصف شيئًا جديدًا جدًا ومختلفًا عن التقليدي أو المعتاد؛ وقد يشير أيضًا إلى تغييرات جذرية أو متطرفة أو أساسية.

1. Extreme or thorough B2 formal

   Relating to or affecting the fundamental nature of something; far-reaching and thorough.

   • The company underwent a radical restructuring.
   • She proposed a radical change to the education system.
   • The new policy represents a radical departure from tradition.

   ruРадикальныйesRadical (extremo o profundo)frradical (sens extrême ou fondamental)deRadikalptRadicalzh激进的arجذري

   المرادفات: completedrasticextensivefundamentalprofoundsweepingthorough

   الأضداد: conservativegradualincrementalmildmoderatesuperficial

2. Very different from the usual B2 formal

   Departing markedly from the usual or customary; extreme or drastic.

   • His radical ideas challenged the status quo.
   • The artist's radical style shocked the critics.
   • They took a radical approach to solving the problem.

   ruРадикальныйesradical (en sentido figurado)frradical, très différent de l'habitueldeRadikalptRadicalzh激进的arجذري

   المرادفات: drasticextremeprofoundrevolutionarysweepingthoroughgoing

   الأضداد: conservativeconventionalmainstreammoderatetraditional

3. Excellent or cool A2 slang american

   Slang term meaning very good, excellent, or impressive.

   • That skateboard trick was totally radical!
   • The party last night was radical.
   • He's got a radical new haircut.

   ruКрутойesExcelente o genial (jerga)frExcellent ou cool (argot)deCoolptRadicalzh酷arرائع

   المرادفات: awesomecooldopeexcellentgnarlygroovysicksweettubularwicked

   الأضداد: awfullamemediocreterribleuncool

• more radical comparative form
• most radical superlative form

A noun referring to a person who advocates for extreme or fundamental political, social, or economic change, or a group of atoms in chemistry that acts as a unit in reactions.

ruСуществительное, обозначающее человека, выступающего за крайние или коренные политические, социальные или экономические изменения, или группу атомов в химии, действующую как единое целое в реакциях.esSustantivo que designa a una persona que defiende cambios extremos o profundos en el ámbito político, social o económico, o bien un grupo de átomos en química que actúa como una unidad en las reacciones.frNom désignant une personne qui prône des changements politiques, sociaux ou économiques extrêmes ou profonds, ou un groupe d'atomes en chimie agissant comme une entité unique dans les réactions.deSubstantiv für eine Person, die extreme oder grundlegende politische, soziale oder wirtschaftliche Veränderungen anstrebt, oder in der Chemie für eine Atomgruppe, die in Reaktionen als Einheit wirkt.ptSubstantivo que designa uma pessoa que defende mudanças políticas, sociais ou econômicas extremas ou fundamentais, ou um grupo de átomos que age como uma unidade em reações químicas.zh名词，指主张极端或根本性的政治、社会或经济变革的人，也指化学中作为整体参与反应的原子团。arاسم يشير إلى شخص يدعو إلى تغييرات سياسية أو اجتماعية أو اقتصادية جذرية أو متطرفة، أو إلى مجموعة ذرية تتصرف كوحدة واحدة في التفاعلات الكيميائية.

1. Person with extreme views B2 formal

   A person who advocates for extreme or fundamental changes in society, politics, or other systems.

   • The radical was arrested for inciting violence.
   • Many radicals called for a complete overhaul of the government.
   • He was known as a radical in the student movement.

   ruРадикалesPersona con ideas extremistasfrPersonne aux idées extrêmesdeRadikalerptRadicalzh激进分子arراديكالي

   المرادفات: extremistfanaticinsurgentmilitantreformerrevolutionarysubversivezealot

   الأضداد: conservativemoderatereactionarytraditionalist

2. Chemical group C1 formal scientific

   An atom or group of atoms with at least one unpaired electron, highly reactive.

   • Free radicals can damage cells and contribute to aging.
   • The reaction produces a hydroxyl radical.
   • Antioxidants neutralize harmful radicals in the body.

   ruРадикалesRadical químicofrRadical (chimie)deRadikalptRadicalzh自由基arجذر حر

   المرادفات: free radical

3. Root or foundation C2 formal

   The fundamental or original part of something.

   • The radical of the problem lies in poor communication.
   • In linguistics, the radical is the base form of a word.
   • The radical of the equation was difficult to solve.

   ruОсноваesRaíz o fundamentofrRacine ou fondementdeGrundlageptRaizzh根本arالأساس

   المرادفات: basebasisfoundationfundamentaloriginrootsource

   الأضداد: consequencederivativeoffshootoutgrowth

• radicals plural form
• radicals' possessive plural form
• radical's possessive singular form