ENGLISH DICTIONARY

Radical

Definition, Meaning & Examples

Pronunciation /ˈɹædɪkəl/ · Part of speech adjective

Quick meaning: Radical is an adjective meaning Favoring fundamental change, or change at the root cause of a matter.

Meaning

Favoring fundamental change, or change at the root cause of a matter.

More Meanings

  1. (botany, not comparable) Pertaining to a root (of a plant).
  2. Pertaining to the basic or intrinsic nature of something.
  3. Thoroughgoing; far-reaching.
  4. (lexicography, not comparable) Of or pertaining to the root of a word.
  5. (phonology, phonetics, not comparable, of a sound) Produced using the root of the tongue.
  6. (chemistry, not comparable) Involving free radicals.
  7. (mathematics) Relating to a radix or mathematical root.

Example Sentences

His beliefs are radical.
That was a radical jump!
a radical quantity; a radical sign
The spread of the cancer required radical surgery, and the entire organ was removed.

Word Forms

Synonyms for radical

Depending on context, synonyms include primitive, Jacobin, fundamental, rad, base, group.

Antonyms for radical

Common opposites include derivative, derived, ignorable, trivial, cauline.

Related Words

Related dictionary entries include extremist, revolutionary, ultra, group, basal, basic.

Related Dictionary Tools

Sources & Attribution

FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0

Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.