Did you know?

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

blister - 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] blister pronunciation in British English /ˈblɪstə(r)/
Word Forms
  1. 1
    a swollen area on your skin that is full of a clear liquid and is caused by being burned or rubbed
  2. 2
    a small raised area on a surface that is filled with air

Open Dictionary


the activity of exploring abandoned buildings and other manmade structures

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