Did you know?

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

cocoon - definition and synonyms


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.



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.

noun [countable]     cocoon pronunciation in British English
Word Forms

Related words

  1. 1
    biology a cover that the young larvae of some insects make around themselves when they start changing into their adult form
  2. 2
    literary a cover that keeps someone safe or warm
  3. 3
    something that keeps you safe, but may stop you from learning to deal with problems

    the cocoon of his parentslove


Physical Cookie

a small electronic device which is taken into shops and links individual customers to advertisements …

BuzzWord Article

Open Dictionary


the act or practice of telling the future using random items such as playing cards

add a word


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
Macmillan learn live love play