Thesaurus

radical

adjective

Synonyms & Antonyms of radical

(Entry 1 of 2)

1 being very far from the center of public opinion
  • the baggy trousers that Amelia Bloomer introduced in the 1850s were considered a radical form of dress for women at the time

Synonyms for radical

Words Related to radical

Near Antonyms for radical

Antonyms for radical

2 not bound by traditional ways or beliefs
  • radical proponents of spelling reform would have every word spelled "just the way it sounds"

Synonyms for radical

Words Related to radical

Near Antonyms for radical

Antonyms for radical

3 slang of the very best kind
  • surfing conditions at virtually all of the beaches along the coast were truly radical

Synonyms for radical

Words Related to radical

Phrases Synonymous with radical

Near Antonyms for radical

Antonyms for radical

radical

noun

Synonyms & Antonyms of radical (Entry 2 of 2)

a person who favors rapid and sweeping changes especially in laws and methods of government
  • radicals staged large, violent protests in the hopes of toppling the government

Synonyms for radical

Words Related to radical

Near Antonyms for radical

Antonyms for radical

See the Dictionary Definition 

Keep scrolling for more

Learn More about radical

Time Traveler for radical

Time Traveler

The first known use of radical was in the 14th century

See more words from the same century

Cite this Entry

“Radical.” The Merriam-Webster.com Thesaurus, Merriam-Webster Inc., https://www.merriam-webster.com/thesaurus/radical. Accessed 10 December 2019.

Keep scrolling for more

More from Merriam-Webster on radical

Dictionary: Definition of radical

Medical Dictionary: Definition of radical

Spanish Central: Translation of radical

Nglish: Translation of radical for Spanish Speakers

Britannica English: Translation of radical for Arabic Speakers

Britannica.com: Encyclopedia article about radical

Comments on radical

What made you want to look up radical? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to state or do over again or repeatedly

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!