Did you know?

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


 - definition

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 entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

verb foster pronunciation in British English /ˈfɒstə(r)/ 
Word Forms
present tense
present participlefostering
past tensefostered
past participlefostered

Related dictionary definitions

  1. 1
    [transitive] to help something to develop over a period of time

    This approach will foster an understanding of environmental issues.

    Overuse of antibiotics may foster the spread of drug-resistant bacteria.

sandwich generation

a generation … who are balancing working life with caring for both their teenage children and elderly parents

BuzzWord Article

Open Dictionary


to gossip or share personal information with someone …

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