Αγγλικά

radical

gb/ɹˈædɪkəl/ us/ɹˈædɪkəl/
B1 Αγγλικά
~ 2600
Σημασίες
0 σημασίες
adjective B2 property
1

Extreme or far from the usual

Very different from normal or traditional; extreme.

Μοτίβο χρήσης: [someone/something] is radical
Συχνό λάθος:
Learners sometimes confuse 'radical' with 'rad', which is slang for 'cool' and not appropriate in formal contexts.
Συνώνυμα
extreme (More general and can apply to degree or intensity without implying novelty or change.) | revolutionary (Suggests bringing about major change, often political or social.)
Αντώνυμα
moderate (Implies avoiding extremes and preferring gradual change.)
Συνδυασμοί λέξεων
radical change |radical reform |radical idea |radical approach |radical solution
Θέματα
politics |society |change |core_vocabulary
Παραδείγματα
  • The new leader proposed a radical change to the education system.
  • Her views on environmental policy are considered radical by many.
  • The company adopted a radical approach to solving the problem.
  • He made a radical decision to quit his job and travel the world.
  • This was a radical departure from their usual style.
Παραδείγματα για μαθητές
  • This is a radical idea.
  • The city needs radical changes.
  • She has radical plans for the school.
  • He wants a radical new law.
  • It was a radical move by the team.
Ουσιαστικό B2 entity
2

Person with extreme views

A person who wants big changes in politics or society.

Μοτίβο χρήσης: [someone] is a radical
Συνώνυμα
extremist (Often more negative, can imply willingness to use force or violence.)
Αντώνυμα
moderate (Supports gradual change rather than extreme measures.)
Συνδυασμοί λέξεων
political radical |social radical |left-wing radical
Θέματα
politics |society |relationships
Παραδείγματα
  • The radicals in the movement demanded immediate action.
  • He was seen as a radical during his university days.
  • Some radicals were arrested during the protest.
  • The party's radicals opposed the compromise.
  • She has been labeled a radical for her beliefs.
Παραδείγματα για μαθητές
  • He is a radical in politics.
  • The group has many radicals.
  • She is called a radical by her friends.
  • Some radicals want fast change.
  • Radicals often fight for new ideas.
adjective informal B1 property
3

Excellent or impressive (slang)

(Slang) Very good or cool.

Μοτίβο χρήσης: [something] is radical
Συχνό λάθος:
Learners may use this slang in formal situations where it is inappropriate.
Συνώνυμα
awesome (Very informal, similar casual tone.) | cool (Informal, common in youth speech.)
Αντώνυμα
lame (Slang for boring or unimpressive.)
Συνδυασμοί λέξεων
radical design |radical performance
Θέματα
slang |youth_culture |communication |core_vocabulary
Παραδείγματα
  • That skateboard trick was totally radical!
  • The concert last night was radical.
  • Your new bike looks radical!
Παραδείγματα για μαθητές
  • The movie was radical.
  • His car is radical.
  • That game is radical.
Ουσιαστικό technical C1 entity
4

Group of atoms in chemistry

(Chemistry) A group of atoms that act together in reactions.

Συνδυασμοί λέξεων
free radical
Θέματα
science |chemistry
Παραδείγματα
  • Free radicals can damage cells and lead to aging.
  • A hydroxyl radical is highly reactive.
  • Chemists study how radicals affect reactions.
Παραδείγματα για μαθητές
  • Free radicals can harm the body.
  • A radical can change other molecules.
  • Some radicals react very fast.
Ουσιαστικό technical B2 entity
5

Mathematical root symbol or value

(Math) The √ sign or the number under it that shows a root.

Συνδυασμοί λέξεων
square root radical
Θέματα
mathematics |education |science
Παραδείγματα
  • In √9, the radical sign indicates a square root.
  • The expression under the radical is 16.
  • Simplify the radical before solving the equation.
Παραδείγματα για μαθητές
  • The radical sign means root.
  • We see a radical in this math problem.
  • A radical can show a square root.
Γραμματική
Λημματική μορφή
radical
IPA
GB/ɹˈædɪkəl/
US/ɹˈædɪkəl/
Συλλαβές και τόνος
rad - ic - al (3 συλλαβές)
Stress on 1st syllable (rad)
Τύποι λέξης
Adjective
  • Base: radical
Noun
  • Base: radical
  • Plural: radicals
Οικογένεια λέξεων
Forms
radicals noun
Core family
radically adverb B2
Related words
radicalism noun
Negative and opposite forms
moderate adjective B1
Advanced or less common
radicalize verb radicalization noun C1
Εκφράσεις

free radical

1
/fɹˈi ɹˈædɪkəl/
fixed phrase technical

Atom/molecule with unpaired electron

An atom or molecule that has an unpaired electron and can react easily.

Παραδείγματα
  • Free radicals can cause damage to cells.
  • Antioxidants help neutralize free radicals.

radical change

1
/ɹˈædɪkəl t͡ʃˈeɪnd͡ʒ/
fixed phrase

Major and complete transformation

A big and complete change.

Παραδείγματα
  • The country needs a radical change in its energy policy.
  • Radical change is necessary to solve the crisis.

radical reform

1
/ɹˈædɪkəl ɹɪfˈɔɹm/
fixed phrase

Thorough alteration of system/law

A big and complete change to laws or systems.

Παραδείγματα
  • The education system requires radical reform.
  • Radical reform of the tax code is long overdue.

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