Did you know?

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

register - 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.

Thesaurus diagram

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     register pronunciation in British English
Word Forms
  1. 1
    [countable] an official list or record of a particular type of thing

    the register of births, deaths, and marriages

    At 9 o’clock the teacher calls the register (=checks to see which children are present by reading out their names).

    1. a.
      a book in which someone keeps lists or records

      All new guests must sign the hotel register.

  2. 2
    [countable] music the range of musical sounds that a voice or a musical instrument can produce
  3. 3
    [countable/uncountable] linguistics the type of language that you use in a particular situation or when communicating with a particular group of people
  4. 4
    [countable] a flat piece of metal that you can open and close to control the flow of air in a heating system


a lifestyle focussing on simple pleasures such as comfort and cosiness in the home, and spending time with friends and family

BuzzWord Article

Open Dictionary


a form of location that involves the underwater detonation of a bomb which causes sound waves that are picked up by ships

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