Did you know?

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

radio

 - definition
 
 
 
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.

Close

Thesaurus

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.

more
noun radio pronunciation in American English /ˈreɪdioʊ/ 
Word Forms
Close
singularradio
pluralradios
  1. 1
    [uncountable] a system of broadcasting information and programs that people can listen to

    National Public Radio

    He worked in radio for nearly 40 years.

    Radio and television have had an enormous effect on people's lives.

    1. a.
      [countable] a piece of equipment that you use for listening to radio programs

      a car radio

      turn on/off a radio:

      Let's turn on the radio. It's time for the news.

    2. b.

      the radio

      the programs that are broadcast for people to listen to

      I enjoy listening to the radio while I'm driving.

      on the radio:

      We heard a lot of flood warnings on the radio.

    3. c.
      [only before noun] relating to radio

      the radio news

      an independent radio station

creep

used with other nouns to describe the unexpected and often unwanted effects of a particular situation or trend

BuzzWord Article

Open Dictionary

sandwich woman

a woman in middle age who has to juggle caring for teenage children and ageing parents with a career

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