Did you know?

Click any word in a definition or example to find the entry for that word

spontaneous

 - definitions and thesaurus
 
Close

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Close

Thesaurus

The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

more
adjective spontaneous pronunciation in American English /spɑnˈteɪniəs/
  1. happening in a natural way without being planned or thought about
    spontaneous applause/cheers
    He was suddenly filled with tears of spontaneous emotion.
    Synonyms and related words
    1. a.
      used in a positive way about someone who often behaves in a natural and friendly way, without worrying about what they say or do
      Ellie’s one of the most spontaneous, fun-loving people I know.
      Synonyms and related words
    2. b.
      science used about chemical or biological changes or processes that happen suddenly in a natural way
      spontaneous wildfires
      spontaneous contractions of the muscles in the esophagus

derived words

spontaneously

adverb
Synonyms and related words

spontaneousness

noun [uncountable]
Synonyms and related words

free-from

used to describe foods which don't contain ingredients such as wheat, dairy products etc …

BuzzWord Article

Open Dictionary

red market

the buying and selling of human organs

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog