Did you know?

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

regression testing - definition and synonyms

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.

noun
  1. From our crowdsourced Open Dictionary
    a way of testing new features in a piece of software that re-checks everything that was working before, to make sure that the changes work and have not had a bad effect on the earlier version of the softwareSubmitted from United Kingdom on 07/05/2013
BuzzWord

Physical Cookie

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

BuzzWord Article

Open Dictionary

sortilege

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

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
Macmillan learn live love play