Did you know?

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


 - definitions and thesaurus

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.

verb [transitive] parallel pronunciation in British English /ˈpærəlel/
Word Forms
present tense
present participleparalleling
past tenseparalleled
past participleparalleled
  1. 2
    to be equal to something else

    US naval and air superiority was paralleled by Soviet superiority in land-based missile systems.

  2. 3
    if one thing parallels another, they are the same distance apart at every point along their whole length

    The road paralleled the stream for fifty miles before veering to the north.


… a teaching method in which groups of children learn independently using a computer linked to the internet

BuzzWord Article

Word of the Day


a fight

Open Dictionary


a derogatory word used for referring to people in the banking and investment industry who are thought of as taking serious risks in order to increase their own earnings …

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