Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
Intermediate Dictionary
   
Display options
Show syllables
Show Lookup History
Double-Click Lookup
  Show Spanish support
 
Pronunciation
Wordsmyth
  Phonics
  IPA
 
Entry formats
Standard
  Classic
 
Lookup History
radical

rad·i·cal

radical

 
 
pronunciation:
rae dih kl
parts of speech:
adjective, noun
features:
Word Explorer, Word Parts
part of speech: adjective
definition 1: having to do with the root or source; basic; fundamental.
There are radical differences between your idea of happiness and mine.
synonyms:
basic, foundational, profound, revolutionary
similar words:
constitutional, deep, important, vital
definition 2: very great or complete; extreme.
Moving from public school to private school was a radical change for her.
 
synonyms:
absolute, complete, drastic, extreme, total
antonyms:
moderate
similar words:
comprehensive, deep, extensive, revolutionary, severe, thorough, universal, utter
definition 3: in favor of extreme changes in government or society.
Her mother was a member of a radical group that was against the killing of animals for any purpose.
 
synonyms:
revolutionary
antonyms:
conservative
similar words:
rebel, underground
 
part of speech: noun
definition: a person who supports extreme social and political changes.
Many radicals took part in the protest march.
antonyms:
conservative
derivation: radically (adv.)
Word Explorer
See
  politics
Word Parts
The word radical contains the following part:
radic, radix Latin root that means root